diff --git a/.formatter.exs b/.formatter.exs
new file mode 100644
index 0000000..55d3bcc
--- /dev/null
+++ b/.formatter.exs
@@ -0,0 +1,3 @@
+[
+  inputs: ["mix.exs", "{config,lib,test}/**/*.{ex,exs}"]
+]
\ No newline at end of file
diff --git a/lib/mix/tasks/bin/db.ex b/lib/mix/tasks/bin/db.ex
index b1e2749..de34615 100644
--- a/lib/mix/tasks/bin/db.ex
+++ b/lib/mix/tasks/bin/db.ex
@@ -4,16 +4,16 @@ defmodule Mix.Tasks.Version.Bin.Db do
   @shortdoc "Create 'rel/commands' helper scripts for managing database backup / restore"
   def run([]), do: run([nil, nil])
   def run([backup_root]), do: run([backup_root, nil])
-  def run([backup_root, dbname]) do
 
+  def run([backup_root, dbname]) do
     [
-      "./rel/commands",
+      "./rel/commands"
     ]
     |> Enum.each(fn dirname ->
-         :ok = dirname |> Path.expand |> File.mkdir_p!
-       end)
+      :ok = dirname |> Path.expand() |> File.mkdir_p!()
+    end)
 
-    appname = Mix.Project.config[:app]
+    appname = Mix.Project.config()[:app]
     default_root = "/src/#{appname}backup"
     backup_root = backup_root || default_root
     dbname = dbname || appname
@@ -49,25 +49,25 @@ defmodule Mix.Tasks.Version.Bin.Db do
     """
     |> write!("./rel/commands/restore")
 
-
     [
       "./rel/commands/backup",
-      "./rel/commands/restore",
+      "./rel/commands/restore"
     ]
     |> Enum.each(fn filename ->
-         :ok = filename
-               |> Path.expand
-               |> File.chmod(0o755)
-       end)
+      :ok =
+        filename
+        |> Path.expand()
+        |> File.chmod(0o755)
+    end)
 
-    IO.puts "Installed the following scripts into ./rel/commands"
-    IO.puts "   + backup     \# Backup your database (named #{appname})"
-    IO.puts "   + restore    \# Restore your database (named #{appname})"
-    IO.puts ""
+    IO.puts("Installed the following scripts into ./rel/commands")
+    IO.puts("   + backup     \# Backup your database (named #{appname})")
+    IO.puts("   + restore    \# Restore your database (named #{appname})")
+    IO.puts("")
 
-    IO.puts "To enable those to be part of the release,"
-    IO.puts "then ensure you update your ./rel/config.exs with:"
-    IO.puts ""
+    IO.puts("To enable those to be part of the release,")
+    IO.puts("then ensure you update your ./rel/config.exs with:")
+    IO.puts("")
 
     example = """
     release :#{appname} do
@@ -79,13 +79,11 @@ defmodule Mix.Tasks.Version.Bin.Db do
     end
     """
 
-    IO.puts example
-    IO.puts ""
-
+    IO.puts(example)
+    IO.puts("")
   end
 
   defp write!(content, relative_name) do
-    File.write!(relative_name |> Path.expand, content)
+    File.write!(relative_name |> Path.expand(), content)
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/bin/ff.ex b/lib/mix/tasks/bin/ff.ex
index 0c3597c..fa6b884 100644
--- a/lib/mix/tasks/bin/ff.ex
+++ b/lib/mix/tasks/bin/ff.ex
@@ -3,17 +3,15 @@ defmodule Mix.Tasks.Version.Bin.Ff do
 
   @shortdoc "Add a FeatureFlags (FF) GenServer with release helper scripts to enable/disable them"
   def run(_) do
-
     [
-      "./rel/commands",
+      "./rel/commands"
     ]
     |> Enum.each(fn dirname ->
-         :ok = dirname |> Path.expand |> File.mkdir_p!
-       end)
-
-    appname = Mix.Project.config[:app]
-    module_name = appname |> Atom.to_string |> Macro.camelize
+      :ok = dirname |> Path.expand() |> File.mkdir_p!()
+    end)
 
+    appname = Mix.Project.config()[:app]
+    module_name = appname |> Atom.to_string() |> Macro.camelize()
 
     """
     defmodule #{module_name}.FeatureFlags do
@@ -90,7 +88,6 @@ defmodule Mix.Tasks.Version.Bin.Ff do
     """
     |> write!("./lib/#{appname}/feature_flags.ex")
 
-
     """
     #!/bin/bash
     bin/#{appname} rpc Elixir.#{module_name}.FeatureFlags enable "$1"
@@ -103,22 +100,22 @@ defmodule Mix.Tasks.Version.Bin.Ff do
     """
     |> write!("./rel/commands/disable")
 
-
     [
       "./rel/commands/enable",
-      "./rel/commands/disable",
+      "./rel/commands/disable"
     ]
     |> Enum.each(fn filename ->
-         :ok = filename
-               |> Path.expand
-               |> File.chmod(0o755)
-       end)
-
-    IO.puts "Installed several release scripts into ./bin/run and ./bin/package"
-    IO.puts "To enable ./rel/commands/enable and ./rel/commands/disable to be"
-    IO.puts "part of the release, then ensure you update your ./rel/config.exs with:"
-    IO.puts ""
-    IO.puts ""
+      :ok =
+        filename
+        |> Path.expand()
+        |> File.chmod(0o755)
+    end)
+
+    IO.puts("Installed several release scripts into ./bin/run and ./bin/package")
+    IO.puts("To enable ./rel/commands/enable and ./rel/commands/disable to be")
+    IO.puts("part of the release, then ensure you update your ./rel/config.exs with:")
+    IO.puts("")
+    IO.puts("")
 
     example = """
     release :#{appname} do
@@ -130,19 +127,17 @@ defmodule Mix.Tasks.Version.Bin.Ff do
     end
     """
 
-    IO.puts example
-    IO.puts ""
-    IO.puts "To enable a feature flag 'brb' (for example) you would run the following:"
-    IO.puts "    ./bin/#{appname} enable brb"
-    IO.puts ""
-    IO.puts "To later disable that flag you would run the following:"
-    IO.puts "    ./bin/#{appname} disable brb"
-    IO.puts ""
-
+    IO.puts(example)
+    IO.puts("")
+    IO.puts("To enable a feature flag 'brb' (for example) you would run the following:")
+    IO.puts("    ./bin/#{appname} enable brb")
+    IO.puts("")
+    IO.puts("To later disable that flag you would run the following:")
+    IO.puts("    ./bin/#{appname} disable brb")
+    IO.puts("")
   end
 
   defp write!(content, relative_name) do
-    File.write!(relative_name |> Path.expand, content)
+    File.write!(relative_name |> Path.expand(), content)
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/bin/release.ex b/lib/mix/tasks/bin/release.ex
index 79e6c87..f5e47f3 100644
--- a/lib/mix/tasks/bin/release.ex
+++ b/lib/mix/tasks/bin/release.ex
@@ -3,8 +3,8 @@ defmodule Mix.Tasks.Version.Bin.Release do
 
   @shortdoc "Initialize and create some 'bin' helper scripts for managing releases"
   def run([]), do: run([nil])
-  def run([release_root]) do
 
+  def run([release_root]) do
     unless File.exists?("./rel/config.exs") do
       Mix.Task.run("release.init", [])
     end
@@ -12,17 +12,16 @@ defmodule Mix.Tasks.Version.Bin.Release do
     [
       "./bin/run",
       "./bin/package",
-      "./rel/commands",
+      "./rel/commands"
     ]
     |> Enum.each(fn dirname ->
-         :ok = dirname |> Path.expand |> File.mkdir_p!
-       end)
+      :ok = dirname |> Path.expand() |> File.mkdir_p!()
+    end)
 
-    appname = Mix.Project.config[:app]
+    appname = Mix.Project.config()[:app]
     default_root = "/src/#{appname}rel"
     release_root = release_root || default_root
-    module_name = appname |> Atom.to_string |> Macro.camelize
-
+    module_name = appname |> Atom.to_string() |> Macro.camelize()
 
     """
     defmodule #{module_name}.ReleaseTasks do
@@ -87,7 +86,6 @@ defmodule Mix.Tasks.Version.Bin.Release do
     """
     |> write!("./lib/#{appname}/release_tasks.ex")
 
-
     """
     #!/bin/bash
     mix deps.unlock --all && \\
@@ -104,7 +102,6 @@ defmodule Mix.Tasks.Version.Bin.Release do
     """
     |> write!("./bin/package/release")
 
-
     """
     #!/bin/bash
     VERSION=$(mix version.current)
@@ -129,7 +126,6 @@ defmodule Mix.Tasks.Version.Bin.Release do
     """
     |> write!("./bin/package/retain")
 
-
     """
     #!/bin/bash
 
@@ -141,7 +137,6 @@ defmodule Mix.Tasks.Version.Bin.Release do
     """
     |> write!("./bin/run/rel")
 
-
     """
     #!/bin/bash
 
@@ -175,7 +170,6 @@ defmodule Mix.Tasks.Version.Bin.Release do
     """
     |> write!("./bin/run/debug")
 
-
     [
       "./bin/package/prerelease",
       "./bin/package/release",
@@ -184,19 +178,20 @@ defmodule Mix.Tasks.Version.Bin.Release do
       "./bin/run/launch",
       "./bin/run/debug",
       "./rel/commands/clear_cache",
-      "./rel/commands/migrate",
+      "./rel/commands/migrate"
     ]
     |> Enum.each(fn filename ->
-         :ok = filename
-               |> Path.expand
-               |> File.chmod(0o755)
-       end)
-
-    IO.puts "Installed several release scripts into ./bin/run and ./bin/package"
-    IO.puts "To enable ./rel/commands/clear_cache and ./rel/commands/migrate to be"
-    IO.puts "part of the release, then ensure you update your ./rel/config.exs with:"
-    IO.puts ""
-    IO.puts ""
+      :ok =
+        filename
+        |> Path.expand()
+        |> File.chmod(0o755)
+    end)
+
+    IO.puts("Installed several release scripts into ./bin/run and ./bin/package")
+    IO.puts("To enable ./rel/commands/clear_cache and ./rel/commands/migrate to be")
+    IO.puts("part of the release, then ensure you update your ./rel/config.exs with:")
+    IO.puts("")
+    IO.puts("")
 
     example = """
     release :#{appname} do
@@ -208,13 +203,11 @@ defmodule Mix.Tasks.Version.Bin.Release do
     end
     """
 
-    IO.puts example
-    IO.puts ""
-
+    IO.puts(example)
+    IO.puts("")
   end
 
   defp write!(content, relative_name) do
-    File.write!(relative_name |> Path.expand, content)
+    File.write!(relative_name |> Path.expand(), content)
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/current.ex b/lib/mix/tasks/current.ex
index b980bff..5aff9cb 100644
--- a/lib/mix/tasks/current.ex
+++ b/lib/mix/tasks/current.ex
@@ -6,14 +6,14 @@ defmodule Mix.Tasks.Version.Current do
   def run(args) do
     args
     |> calc
-    |> IO.puts
+    |> IO.puts()
   end
 
   @shortdoc "Calculate the current version"
   def calc(_ \\ nil) do
     "mix.exs"
-    |> File.read
-    |> invoke(fn ({:ok, content}) -> content end)
+    |> File.read()
+    |> invoke(fn {:ok, content} -> content end)
     |> String.split("\n")
     |> Enum.map(&find_version/1)
     |> Enum.reject(&is_nil/1)
@@ -44,5 +44,4 @@ defmodule Mix.Tasks.Version.Current do
       :error -> nil
     end
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/githooks/deploy.ex b/lib/mix/tasks/githooks/deploy.ex
index cafcea7..e688141 100644
--- a/lib/mix/tasks/githooks/deploy.ex
+++ b/lib/mix/tasks/githooks/deploy.ex
@@ -3,45 +3,49 @@ defmodule Mix.Tasks.Githooks.Deploy do
 
   @shortdoc "Install a githook to run ./bin/deploy on a new release"
   def run([]), do: run(["bin/deploy"])
+
   def run([deploy_filename]) do
     post_commit_filename = ".git/hooks/post-commit"
+
     content = """
-#!/bin/bash
+    #!/bin/bash
 
-if [ "$(MIX_QUIET=true mix version.is_release)" != "" ]; then
-  ./bin/deploy
-else
-  echo "Continue making the app awesome."
-fi
+    if [ "$(MIX_QUIET=true mix version.is_release)" != "" ]; then
+      ./bin/deploy
+    else
+      echo "Continue making the app awesome."
+    fi
     """
+
     File.write!(post_commit_filename, content)
     :ok = File.chmod(post_commit_filename, 0o755)
 
     unless File.exists?(deploy_filename) do
-      deploy_filename |> Path.dirname |> Path.expand |> File.mkdir_p!
+      deploy_filename |> Path.dirname() |> Path.expand() |> File.mkdir_p!()
+
       content = """
-#!/bin/bash
-
-VERSION=$(MIX_QUIET=1 mix version.current)
-echo "================="
-echo "DEPLOYING $VERSION"
-echo "Based on script in #{deploy_filename}"
-echo "By default it does nothing but runs your tests"
-echo "and tags your release.  So please update with"
-echo "what you need to do"
-echo "================="
-mix test && \\
-  mix version.tag
+      #!/bin/bash
+
+      VERSION=$(MIX_QUIET=1 mix version.current)
+      echo "================="
+      echo "DEPLOYING $VERSION"
+      echo "Based on script in #{deploy_filename}"
+      echo "By default it does nothing but runs your tests"
+      echo "and tags your release.  So please update with"
+      echo "what you need to do"
+      echo "================="
+      mix test && \\
+        mix version.tag
       """
+
       File.write!(deploy_filename, content)
       :ok = File.chmod(deploy_filename, 0o755)
     end
 
-    IO.puts "Installed #{post_commit_filename}"
-    IO.puts "which will run #{deploy_filename}"
-    IO.puts "after a 'mix version.up'"
+    IO.puts("Installed #{post_commit_filename}")
+    IO.puts("which will run #{deploy_filename}")
+    IO.puts("after a 'mix version.up'")
 
     post_commit_filename
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/githooks/hexup.ex b/lib/mix/tasks/githooks/hexup.ex
index 2b1276a..ac4dcba 100644
--- a/lib/mix/tasks/githooks/hexup.ex
+++ b/lib/mix/tasks/githooks/hexup.ex
@@ -3,30 +3,32 @@ defmodule Mix.Tasks.Githooks.Hexup do
 
   @shortdoc "Install a githook to run mix hex.publish on a new release"
   def run([]), do: run([""])
+
   def run([passphrase]) do
     filename = ".git/hooks/post-commit"
+
     content = """
-#!/bin/bash
-if [ "$(MIX_QUIET=true mix version.is_release)" != "" ]; then
-  echo "================="
-  echo "HEX PUBLISH $VERSION"
-  echo "================="
-  mix test && \\
-    mix version.tag && \\
-    mix hex.publish <<EOF
-Y
-#{passphrase}
-EOF
-else
-  echo "Continue making the app awesome."
-fi
+    #!/bin/bash
+    if [ "$(MIX_QUIET=true mix version.is_release)" != "" ]; then
+      echo "================="
+      echo "HEX PUBLISH $VERSION"
+      echo "================="
+      mix test && \\
+        mix version.tag && \\
+        mix hex.publish <<EOF
+    Y
+    #{passphrase}
+    EOF
+    else
+      echo "Continue making the app awesome."
+    fi
     """
+
     File.write!(filename, content)
     :ok = File.chmod(filename, 0o755)
-    IO.puts "Installed #{filename}"
-    IO.puts "to automatically 'mix test && mix version.tag && mix hex.publish'"
-    IO.puts "after a 'mix version.up'"
+    IO.puts("Installed #{filename}")
+    IO.puts("to automatically 'mix test && mix version.tag && mix hex.publish'")
+    IO.puts("after a 'mix version.up'")
     filename
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/inc.ex b/lib/mix/tasks/inc.ex
index f172f3d..14ac076 100644
--- a/lib/mix/tasks/inc.ex
+++ b/lib/mix/tasks/inc.ex
@@ -8,31 +8,29 @@ defmodule Mix.Tasks.Version.Inc do
     current = Version.Current.calc(mode)
     next = Version.Next.calc(mode)
 
-    IO.puts "Updating mix.exs from #{current} to #{next}"
+    IO.puts("Updating mix.exs from #{current} to #{next}")
 
     update_file("mix.exs", current, next, &update_mix_version/3)
     update_file("README.md", current, next, &update_readme_version/3)
     next
   end
 
-
   defp update_file(filename, current, next, update_fn) do
-
     if File.exists?(filename) do
-      IO.puts "  -- Updating #{filename}"
+      IO.puts("  -- Updating #{filename}")
+
       filename
-      |> File.read
-      |> invoke(fn ({:ok, content}) -> content end)
+      |> File.read()
+      |> invoke(fn {:ok, content} -> content end)
       |> String.split("\n")
       |> Enum.map(fn line -> update_fn.(line, current, next) end)
       |> Enum.join("\n")
       |> invoke(fn content -> File.write!(filename, content) end)
     else
-      IO.puts "  -- Skipping missing file #{filename}"
+      IO.puts("  -- Skipping missing file #{filename}")
     end
   end
 
-
   defp update_mix_version(line, current, next) do
     line
     |> String.replace("@version \"#{current}\"", "@version \"#{next}\"")
@@ -43,5 +41,4 @@ defmodule Mix.Tasks.Version.Inc do
     line
     |> String.replace("~> #{current}", "~> #{next}")
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/is_release.ex b/lib/mix/tasks/is_release.ex
index 7710020..0174834 100644
--- a/lib/mix/tasks/is_release.ex
+++ b/lib/mix/tasks/is_release.ex
@@ -5,15 +5,14 @@ defmodule Mix.Tasks.Version.IsRelease do
 
   @shortdoc "Return the name (major|minor|patch) of the version if this is a release, nothing otherwise"
   def run(_) do
-    calc() |> IO.puts
+    calc() |> IO.puts()
   end
 
   def calc() do
-    if "v#{Current.calc}" == LastCommit.calc do
-      Name.calc
+    if "v#{Current.calc()}" == LastCommit.calc() do
+      Name.calc()
     else
       ""
     end
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/last_commit.ex b/lib/mix/tasks/last_commit.ex
index 98c87c0..c6fc3f8 100644
--- a/lib/mix/tasks/last_commit.ex
+++ b/lib/mix/tasks/last_commit.ex
@@ -6,16 +6,15 @@ defmodule Mix.Tasks.Version.LastCommit do
   def run(args) do
     args
     |> calc
-    |> IO.puts
+    |> IO.puts()
   end
 
   @shortdoc "Calculate the last git commit message"
   def calc(_ \\ nil) do
     "."
-    |> Git.new
+    |> Git.new()
     |> Git.log(["--format=%B", "-n 1", "HEAD"])
     |> invoke(fn {:ok, output} -> output end)
-    |> String.trim
+    |> String.trim()
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/major.ex b/lib/mix/tasks/major.ex
index 1c2aea1..a1d5911 100644
--- a/lib/mix/tasks/major.ex
+++ b/lib/mix/tasks/major.ex
@@ -5,10 +5,11 @@ defmodule Mix.Tasks.Version.Major do
 
   @shortdoc "Return major number (so return '1' for version '1.2.3'"
   def run(_) do
-    calc() |> IO.puts
+    calc() |> IO.puts()
   end
 
-  def calc(), do: calc(Current.calc)
+  def calc(), do: calc(Current.calc())
+
   def calc(version) do
     version
     |> String.split(".")
@@ -17,5 +18,4 @@ defmodule Mix.Tasks.Version.Major do
 
   defp name([major, _, _]), do: major
   defp name(_), do: ""
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/minor.ex b/lib/mix/tasks/minor.ex
index 80084d6..e992b24 100644
--- a/lib/mix/tasks/minor.ex
+++ b/lib/mix/tasks/minor.ex
@@ -5,10 +5,11 @@ defmodule Mix.Tasks.Version.Minor do
 
   @shortdoc "Return minor number (so return '2' for version '1.2.3'"
   def run(_) do
-    calc() |> IO.puts
+    calc() |> IO.puts()
   end
 
-  def calc(), do: calc(Current.calc)
+  def calc(), do: calc(Current.calc())
+
   def calc(version) do
     version
     |> String.split(".")
@@ -17,5 +18,4 @@ defmodule Mix.Tasks.Version.Minor do
 
   defp name([_, minor, _]), do: minor
   defp name(_), do: ""
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/name.ex b/lib/mix/tasks/name.ex
index e838e9f..e595e15 100644
--- a/lib/mix/tasks/name.ex
+++ b/lib/mix/tasks/name.ex
@@ -5,10 +5,11 @@ defmodule Mix.Tasks.Version.Name do
 
   @shortdoc "Return the name (major|minor|patch) of this version"
   def run(_) do
-    calc() |> IO.puts
+    calc() |> IO.puts()
   end
 
-  def calc(), do: calc(Current.calc)
+  def calc(), do: calc(Current.calc())
+
   def calc(version) do
     version
     |> String.split(".")
@@ -18,5 +19,4 @@ defmodule Mix.Tasks.Version.Name do
   defp name([_, "0", "0"]), do: :major
   defp name([_, _, "0"]), do: :minor
   defp name(_), do: :patch
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/next.ex b/lib/mix/tasks/next.ex
index f736974..6a31ed5 100644
--- a/lib/mix/tasks/next.ex
+++ b/lib/mix/tasks/next.ex
@@ -7,12 +7,13 @@ defmodule Mix.Tasks.Version.Next do
   def run(args) do
     args
     |> calc
-    |> IO.puts
+    |> IO.puts()
   end
 
   def calc([]), do: calc(["patch"])
+
   def calc([mode]) do
-    Current.calc
+    Current.calc()
     |> String.split(".")
     |> uptick(mode)
   end
@@ -31,5 +32,4 @@ defmodule Mix.Tasks.Version.Next do
     {new_val, ""} = Integer.parse(major)
     "#{new_val + 1}.0.0"
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/patch.ex b/lib/mix/tasks/patch.ex
index 1b75d9b..8f53f9c 100644
--- a/lib/mix/tasks/patch.ex
+++ b/lib/mix/tasks/patch.ex
@@ -5,10 +5,11 @@ defmodule Mix.Tasks.Version.Patch do
 
   @shortdoc "Return patch number (so return '3' for version '1.2.3'"
   def run(_) do
-    calc() |> IO.puts
+    calc() |> IO.puts()
   end
 
-  def calc(), do: calc(Current.calc)
+  def calc(), do: calc(Current.calc())
+
   def calc(version) do
     version
     |> String.split(".")
@@ -17,5 +18,4 @@ defmodule Mix.Tasks.Version.Patch do
 
   defp name([_, _, patch]), do: patch
   defp name(_), do: ""
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/release/bin.ex b/lib/mix/tasks/release/bin.ex
index 4a98739..866fdfc 100644
--- a/lib/mix/tasks/release/bin.ex
+++ b/lib/mix/tasks/release/bin.ex
@@ -3,10 +3,7 @@ defmodule Mix.Tasks.Release.Bin do
 
   @shortdoc "OBSOLETE... please refer to `mix version.bin.run`"
   def run(args) do
-
     IO.puts("OBSOLETE... please refer to `mix version.bin.run`")
     Mix.Tasks.Version.Bin.Release.run(args)
-
   end
-
 end
diff --git a/lib/mix/tasks/tag.ex b/lib/mix/tasks/tag.ex
index b4eb461..6c20736 100644
--- a/lib/mix/tasks/tag.ex
+++ b/lib/mix/tasks/tag.ex
@@ -6,13 +6,12 @@ defmodule Mix.Tasks.Version.Tag do
   @shortdoc "Git tag your project (e.g. v1.2.3)"
   def run(args) do
     current_version = Version.Current.calc(args)
-    repo = Git.new "."
-    {:ok, _} = Git.tag repo, ["v#{current_version}"]
-    {:ok, output} = Git.push repo
-    IO.puts output
-    {:ok, output} = Git.push repo, ["--tag"]
-    IO.puts output
+    repo = Git.new(".")
+    {:ok, _} = Git.tag(repo, ["v#{current_version}"])
+    {:ok, output} = Git.push(repo)
+    IO.puts(output)
+    {:ok, output} = Git.push(repo, ["--tag"])
+    IO.puts(output)
     current_version
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/untag.ex b/lib/mix/tasks/untag.ex
index fed428c..420259c 100644
--- a/lib/mix/tasks/untag.ex
+++ b/lib/mix/tasks/untag.ex
@@ -6,12 +6,11 @@ defmodule Mix.Tasks.Version.Untag do
   @shortdoc "Remove the tag from your project (e.g. v1.2.3)"
   def run(args) do
     current_version = Version.Current.calc(args)
-    repo = Git.new "."
-    {:ok, output} = Git.tag repo, ["-d", "v#{current_version}"]
-    IO.puts output
-    {:ok, output} = Git.push repo, ["origin", ":refs/tags/v#{current_version}"]
-    IO.puts output
+    repo = Git.new(".")
+    {:ok, output} = Git.tag(repo, ["-d", "v#{current_version}"])
+    IO.puts(output)
+    {:ok, output} = Git.push(repo, ["origin", ":refs/tags/v#{current_version}"])
+    IO.puts(output)
     current_version
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/up.ex b/lib/mix/tasks/up.ex
index dfe0e95..1cab1ee 100644
--- a/lib/mix/tasks/up.ex
+++ b/lib/mix/tasks/up.ex
@@ -8,16 +8,16 @@ defmodule Mix.Tasks.Version.Up do
     next_version = Version.Inc.run(mode)
     updated_version = Version.Current.calc(mode)
 
-    if (next_version == updated_version) do
-      IO.puts "Committing updates to git"
-      repo = Git.new "."
-      {:ok, _} = Git.add repo, ["mix.exs", "README.md"]
-      {:ok, output} = Git.commit repo, ["-m", "v#{updated_version}"]
-      IO.puts output
+    if next_version == updated_version do
+      IO.puts("Committing updates to git")
+      repo = Git.new(".")
+      {:ok, _} = Git.add(repo, ["mix.exs", "README.md"])
+      {:ok, output} = Git.commit(repo, ["-m", "v#{updated_version}"])
+      IO.puts(output)
     else
-      IO.puts "Unable to update version, stopping task. Sorry we couldn't automate better :-("
+      IO.puts("Unable to update version, stopping task. Sorry we couldn't automate better :-(")
     end
+
     updated_version
   end
-
-end
\ No newline at end of file
+end
diff --git a/lib/mix/tasks/version.ex b/lib/mix/tasks/version.ex
index 297b127..a68931d 100644
--- a/lib/mix/tasks/version.ex
+++ b/lib/mix/tasks/version.ex
@@ -5,38 +5,56 @@ defmodule Mix.Tasks.Version do
 
   @shortdoc "Learn more about the available version tasks"
   def run(_) do
-    Shell.info "version_tasks v" <> VersionTasks.version
-    Shell.info "version_tasks is a set of helper mix tasks to manange your projects version"
-    Shell.newline
+    Shell.info("version_tasks v" <> VersionTasks.version())
+    Shell.info("version_tasks is a set of helper mix tasks to manange your projects version")
+    Shell.newline()
 
-    Shell.info "Available version tasks:"
-    Shell.newline
+    Shell.info("Available version tasks:")
+    Shell.newline()
     # Run `mix help --search version.`, and
     # Run `mix help --search githooks.` to get this output
     # and paste here
 
-    Shell.info "mix version.bin.db      # Create 'bin/db' helper scripts for managing database backups"
-    Shell.info "mix version.bin.ff      # Add a FeatureFlags (FF) GenServer with release helper scripts to enable/disable them"
-    Shell.info "mix version.bin.release # Initialize and create some 'bin' helper scripts for managing releases"
-    Shell.info "mix version.current     # Calculate the current version"
-    Shell.info "mix version.inc         # Inc to the next (major|minor|patch) version of your project"
-    Shell.info "mix version.is_release  # Return the name (major|minor|patch) of the version if this is a release, nothing otherwise"
-    Shell.info "mix version.last_commit # Calculate the last git commit message"
-    Shell.info "mix version.name        # Return the name (major|minor|patch) of this version"
-    Shell.info "mix version.next        # The next version (e.g v0.9.2)"
-    Shell.info "mix version.tag         # Git tag your project (e.g. v1.2.3)"
-    Shell.info "mix version.untag       # Remove the git tag from your repo (e.g. v1.2.3)"
-    Shell.info "mix version.up          # Inc to next version, and commit changes to git"
-    Shell.info "mix githooks.hexup      # Install a githook to run mix hex.publish on a new release"
-    Shell.info "mix githooks.deploy     # Install a githook to run ./bin/deploy on a new release"
-
-    Shell.newline
-
-    Shell.info "Further information can be found here:"
-    Shell.info "  -- https://hex.pm/packages/version_tasks"
-    Shell.info "  -- https://github.com/aforward/version_tasks"
-    Shell.newline
+    Shell.info(
+      "mix version.bin.db      # Create 'bin/db' helper scripts for managing database backups"
+    )
 
-  end
+    Shell.info(
+      "mix version.bin.ff      # Add a FeatureFlags (FF) GenServer with release helper scripts to enable/disable them"
+    )
+
+    Shell.info(
+      "mix version.bin.release # Initialize and create some 'bin' helper scripts for managing releases"
+    )
+
+    Shell.info("mix version.current     # Calculate the current version")
+
+    Shell.info(
+      "mix version.inc         # Inc to the next (major|minor|patch) version of your project"
+    )
+
+    Shell.info(
+      "mix version.is_release  # Return the name (major|minor|patch) of the version if this is a release, nothing otherwise"
+    )
 
-end
\ No newline at end of file
+    Shell.info("mix version.last_commit # Calculate the last git commit message")
+    Shell.info("mix version.name        # Return the name (major|minor|patch) of this version")
+    Shell.info("mix version.next        # The next version (e.g v0.9.2)")
+    Shell.info("mix version.tag         # Git tag your project (e.g. v1.2.3)")
+    Shell.info("mix version.untag       # Remove the git tag from your repo (e.g. v1.2.3)")
+    Shell.info("mix version.up          # Inc to next version, and commit changes to git")
+
+    Shell.info(
+      "mix githooks.hexup      # Install a githook to run mix hex.publish on a new release"
+    )
+
+    Shell.info("mix githooks.deploy     # Install a githook to run ./bin/deploy on a new release")
+
+    Shell.newline()
+
+    Shell.info("Further information can be found here:")
+    Shell.info("  -- https://hex.pm/packages/version_tasks")
+    Shell.info("  -- https://github.com/aforward/version_tasks")
+    Shell.newline()
+  end
+end
diff --git a/lib/version_tasks.ex b/lib/version_tasks.ex
index b740aae..c6fb66b 100644
--- a/lib/version_tasks.ex
+++ b/lib/version_tasks.ex
@@ -1,6 +1,5 @@
 defmodule VersionTasks do
-
-  @moduledoc"""
+  @moduledoc """
   A set of Mix Tasks for managing your version numbers.  This is best used
   in conjunction with your release strategy, and so we also provide some
   opionated generated code / bash scripts to support you in your quest for
@@ -356,7 +355,6 @@ defmodule VersionTasks do
       ./bin/db/restore    # Restore your database
   """
 
-  def version(), do: unquote(Mix.Project.config[:version])
-  def elixir_version(), do: unquote(System.version)
-
+  def version(), do: unquote(Mix.Project.config()[:version])
+  def elixir_version(), do: unquote(System.version())
 end
diff --git a/lib/version_tasks/fn_expr.ex b/lib/version_tasks/fn_expr.ex
index 19289f0..03834fa 100644
--- a/lib/version_tasks/fn_expr.ex
+++ b/lib/version_tasks/fn_expr.ex
@@ -1,6 +1,5 @@
 defmodule VersionTasks.FnExpr do
-
-  @moduledoc"""
+  @moduledoc """
 
   THIS IS A DUPLICATE OF https://hex.pm/packages/fn_expr so that
   project can leverage this version management (avoiding) a circular
@@ -16,9 +15,17 @@ defmodule VersionTasks.FnExpr do
     quote do
       defmacro invoke(piped_in_argument, expr) do
         fun = is_tuple(expr) && elem(expr, 0)
+
         case fun do
-          :fn -> quote do (unquote(expr)).(unquote(piped_in_argument)) end
-          _ -> quote do (&(unquote(expr))).(unquote(piped_in_argument)) end
+          :fn ->
+            quote do
+              unquote(expr).(unquote(piped_in_argument))
+            end
+
+          _ ->
+            quote do
+              (&unquote(expr)).(unquote(piped_in_argument))
+            end
         end
       end
     end
@@ -33,8 +40,7 @@ defmodule VersionTasks.FnExpr do
 
   defmacro unquote(:&&)(piped_in_argument, expr) do
     quote do
-      (&(unquote(expr))).(unquote(piped_in_argument))
+      (&unquote(expr)).(unquote(piped_in_argument))
     end
   end
-
 end
diff --git a/lib/version_tasks/shell.ex b/lib/version_tasks/shell.ex
index f21ef66..d3df35d 100644
--- a/lib/version_tasks/shell.ex
+++ b/lib/version_tasks/shell.ex
@@ -1,13 +1,15 @@
 defmodule VersionTasks.Shell do
-
   def info(raw_msg, args \\ %{}) do
     case parse(raw_msg, args) do
-      {:quiet, msg} -> msg
-      {:ok, msg} -> if has_mix?() do
-                      Mix.shell.info(msg)
-                    else
-                      IO.puts(msg)
-                    end
+      {:quiet, msg} ->
+        msg
+
+      {:ok, msg} ->
+        if has_mix?() do
+          Mix.shell().info(msg)
+        else
+          IO.puts(msg)
+        end
     end
   end
 
@@ -19,32 +21,39 @@ defmodule VersionTasks.Shell do
 
   def error(raw_msg, args \\ %{}) do
     case parse(raw_msg, args) do
-      {:quiet, msg} -> msg
-      {:ok, msg} -> if has_mix?() do
-                      Mix.shell.error(msg)
-                    else
-                      IO.puts(msg)
-                    end
+      {:quiet, msg} ->
+        msg
+
+      {:ok, msg} ->
+        if has_mix?() do
+          Mix.shell().error(msg)
+        else
+          IO.puts(msg)
+        end
     end
   end
 
   def raise(raw_msg, args \\ %{}) do
     case parse(raw_msg, args) do
-      {:quiet, msg} -> msg
-      {:ok, msg} -> if has_mix?() do
-                      Mix.raise(msg)
-                    else
-                      Kernel.raise(msg)
-                    end
+      {:quiet, msg} ->
+        msg
+
+      {:ok, msg} ->
+        if has_mix?() do
+          Mix.raise(msg)
+        else
+          Kernel.raise(msg)
+        end
     end
   end
 
-  def newline, do: info ""
+  def newline, do: info("")
 
   defp has_mix?, do: function_exported?(Mix, :shell, 1)
 
   defp parse(msg, args), do: _parse(msg |> clean, args)
   defp _parse(msg, %{quiet: true}), do: {:quiet, msg}
+
   defp _parse(msg, args) when is_list(args) do
     if Enum.member?(args, "--quiet") do
       {:quiet, msg}
@@ -52,8 +61,8 @@ defmodule VersionTasks.Shell do
       {:ok, msg}
     end
   end
+
   defp _parse(msg, _), do: {:ok, msg}
   defp clean(msg) when is_binary(msg), do: msg
   defp clean(msg), do: "#{msg}"
-
-end
\ No newline at end of file
+end
diff --git a/mix.exs b/mix.exs
index 1c38241..2336d7d 100644
--- a/mix.exs
+++ b/mix.exs
@@ -9,7 +9,7 @@ defmodule VersionTasks.Mixfile do
   @deps [
     {:mix_test_watch, "~> 0.3", only: :dev, runtime: false},
     {:git_cli, "~> 0.2"},
-    {:ex_doc,  "0.16.1", only: [ :dev, :test ]},
+    {:ex_doc, "0.16.1", only: [:dev, :test]}
   ]
 
   @package [
@@ -23,31 +23,30 @@ defmodule VersionTasks.Mixfile do
   # ------------------------------------------------------------
 
   def project do
-    in_production = Mix.env == :prod
+    in_production = Mix.env() == :prod
+
     [
-      app:     @app,
+      app: @app,
       version: @version,
-      elixir:  "~> 1.4",
+      elixir: "~> 1.6",
       name: "VersionTasks",
       description: "A suite of mix tasks for managing your libs version numbers with git and hex",
       package: @package,
       source_url: @git_url,
       homepage_url: @home_url,
-      docs: [main: "VersionTasks",
-             extras: ["README.md"]],
-      build_embedded:  in_production,
-      start_permanent:  in_production,
-      deps:    @deps,
+      docs: [main: "VersionTasks", extras: ["README.md"]],
+      build_embedded: in_production,
+      start_permanent: in_production,
+      deps: @deps
     ]
-
   end
 
   def application do
     [
-      extra_applications: [         # built-in apps that need starting
+      # built-in apps that need starting
+      extra_applications: [
         :logger
-      ],
+      ]
     ]
   end
-
 end
diff --git a/mix.lock b/mix.lock
index cd262b7..9162c99 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,7 +1,7 @@
-%{"earmark": {:hex, :earmark, "1.2.3", "206eb2e2ac1a794aa5256f3982de7a76bf4579ff91cb28d0e17ea2c9491e46a4", [:mix], [], "hexpm"},
-  "ex_doc": {:hex, :ex_doc, "0.16.1", "b4b8a23602b4ce0e9a5a960a81260d1f7b29635b9652c67e95b0c2f7ccee5e81", [], [{:earmark, "~> 1.1", [hex: :earmark, repo: "hexpm", optional: false]}], "hexpm"},
+%{"earmark": {:hex, :earmark, "1.2.4", "99b637c62a4d65a20a9fb674b8cffb8baa771c04605a80c911c4418c69b75439", [:mix], [], "hexpm"},
+  "ex_doc": {:hex, :ex_doc, "0.16.1", "b4b8a23602b4ce0e9a5a960a81260d1f7b29635b9652c67e95b0c2f7ccee5e81", [:mix], [{:earmark, "~> 1.1", [hex: :earmark, repo: "hexpm", optional: false]}], "hexpm"},
   "fn_expr": {:hex, :fn_expr, "0.1.0", "ef482fa3b355067f78cf7eadb82ea90f29b5d64a21d7d3e3e4a0eefdf4f71b4d", [], [], "hexpm"},
-  "fs": {:hex, :fs, "0.9.2", "ed17036c26c3f70ac49781ed9220a50c36775c6ca2cf8182d123b6566e49ec59", [], [], "hexpm"},
-  "git_cli": {:hex, :git_cli, "0.2.3", "052f0ecfc43d86fb4a750741540bdb00ac63354c6588024555be62c8ea1eff33", [], [], "hexpm"},
-  "mix_test_watch": {:hex, :mix_test_watch, "0.4.1", "a98a84c795623f1ba020324f4354cf30e7120ba4dab65f9c2ae300f830a25f75", [], [{:fs, "~> 0.9.1", [hex: :fs, repo: "hexpm", optional: false]}], "hexpm"},
+  "fs": {:hex, :fs, "0.9.2", "ed17036c26c3f70ac49781ed9220a50c36775c6ca2cf8182d123b6566e49ec59", [:rebar], [], "hexpm"},
+  "git_cli": {:hex, :git_cli, "0.2.4", "43f58045f5d168fa2cff8d2e3822b8c43f294b4b832a419ed8cc01337f1c5b3d", [:mix], [], "hexpm"},
+  "mix_test_watch": {:hex, :mix_test_watch, "0.5.0", "2c322d119a4795c3431380fca2bca5afa4dc07324bd3c0b9f6b2efbdd99f5ed3", [:mix], [{:fs, "~> 0.9.1", [hex: :fs, repo: "hexpm", optional: false]}], "hexpm"},
   "porcelain": {:hex, :porcelain, "2.0.3", "2d77b17d1f21fed875b8c5ecba72a01533db2013bd2e5e62c6d286c029150fdc", [:mix], [], "hexpm"}}
diff --git a/test/tasks/name_test.exs b/test/tasks/name_test.exs
index a387cef..517e728 100644
--- a/test/tasks/name_test.exs
+++ b/test/tasks/name_test.exs
@@ -12,6 +12,5 @@ defmodule Mix.Tasks.Version.NameTest do
 
     assert :major == Name.calc("1.0.0")
     assert :major == Name.calc("2.0.0")
-
   end
 end