update/2017.10.27_updates-for-release (#14)

* update elixir requirement to >= 1.4.2

* update version to 0.7.0
- update CHANGELOG

* update travis-ci to use matrix version specs

.travis.yml

@@ -1,7 +1,10 @@
 language: elixir
 elixir:
-  - 1.4.5
+  - 1.4.2
 otp_release:
   - 18.2.1
-  - 20.1
+matrix:
+  include:
+    - elixir: 1.4.5
+      otp_release: 20.1
 script: mix test --trace

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Change Log
 
+## v0.7.0
+- Enhancements
+    - Add generate_key and pem_encode wrappers
+    - Add support for OTP 20
+    - Update Elixir requirement to 1.4.2
+    - Add documentation & examples
+    - Update Travis-CI to test OTP 18 & OTP 20
+- Contributors (thanks!)
+    - [barttenbrinke](https://github.com/barttenbrinke)
+
 ## v0.6.0
 - Enhancements
     - add support for RSA keys with passwords

mix.exs

@@ -3,9 +3,9 @@ defmodule ExCrypto.Mixfile do
 
   def project do
     [app: :ex_crypto,
-     version: "0.6.0",
+     version: "0.7.0",
      name: "ExCrypto",
-     elixir: ">= 1.4.5",
+     elixir: ">= 1.4.2",
      description: description(),
      package: package(),
      deps: deps(),