diff --git a/Cargo.lock b/Cargo.lock
index c7c1d055..64591a02 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,8 +1,8 @@
 [root]
 name = "cage"
-version = "0.0.19"
+version = "0.0.20"
 dependencies = [
- "clippy 0.0.94 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clippy 0.0.95 (registry+https://github.com/rust-lang/crates.io-index)",
  "compose_yml 0.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "docopt 0.6.86 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -13,7 +13,7 @@ dependencies = [
  "includedir 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "includedir_codegen 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "phf 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "retry 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -56,11 +56,6 @@ dependencies = [
  "libc 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "bitflags"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "bitflags"
 version = "0.7.0"
@@ -82,15 +77,15 @@ dependencies = [
 
 [[package]]
 name = "clippy"
-version = "0.0.94"
+version = "0.0.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "clippy_lints 0.0.94 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clippy_lints 0.0.95 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "clippy_lints"
-version = "0.0.94"
+version = "0.0.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "matches 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -107,7 +102,7 @@ name = "compose_yml"
 version = "0.0.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "clippy 0.0.94 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clippy 0.0.95 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -273,7 +268,7 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "flate2 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "phf 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -282,7 +277,7 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "flate2 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "phf_codegen 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_codegen 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -453,33 +448,33 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "phf"
-version = "0.7.16"
+version = "0.7.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "phf_shared 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_shared 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "phf_codegen"
-version = "0.7.16"
+version = "0.7.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "phf_generator 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "phf_shared 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_generator 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_shared 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "phf_generator"
-version = "0.7.16"
+version = "0.7.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "phf_shared 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "phf_shared 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "phf_shared"
-version = "0.7.16"
+version = "0.7.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -586,9 +581,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_codegen_internals 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.8.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "syntex 0.44.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "syntex_syntax 0.44.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syntex_syntax 0.44.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -596,7 +591,7 @@ name = "serde_codegen_internals"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "syn 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.8.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -637,7 +632,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "syn"
-version = "0.8.6"
+version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -650,7 +645,7 @@ version = "0.44.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "syntex_errors 0.44.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "syntex_syntax 0.44.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syntex_syntax 0.44.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -676,10 +671,10 @@ dependencies = [
 
 [[package]]
 name = "syntex_syntax"
-version = "0.44.0"
+version = "0.44.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -833,12 +828,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ca972c2ea5f742bfce5687b9aef75506a764f61d37f8f649047846a9686ddb66"
 "checksum backtrace 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "346d7644f0b5f9bc73082d3b2236b69a05fd35cce0cfa3724e184e6a5c9e2a2f"
 "checksum backtrace-sys 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ff73785ae8e06bb4a7b09e09f06d7434f9748b86d2f67bdf334b603354497e08"
-"checksum bitflags 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4f67931368edf3a9a51d29886d245f1c3db2f1ef0dcc9e35ff70341b78c10d23"
 "checksum bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aad18937a628ec6abcd26d1489012cc0e18c21798210f491af69ded9b881106d"
 "checksum cfg-if 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de1e760d7b6535af4241fca8bd8adf68e2e7edacc6b29f5d399050c5e48cf88c"
 "checksum chrono 0.2.25 (registry+https://github.com/rust-lang/crates.io-index)" = "9213f7cd7c27e95c2b57c49f0e69b1ea65b27138da84a170133fd21b07659c00"
-"checksum clippy 0.0.94 (registry+https://github.com/rust-lang/crates.io-index)" = "ed829797293d879eb288647d2294772d8c6b64cd0515d672613dc4470b92cbb2"
-"checksum clippy_lints 0.0.94 (registry+https://github.com/rust-lang/crates.io-index)" = "5635295c28475fa89702e0a66a99c6844c1795181d344a5b45b2d279c7676979"
+"checksum clippy 0.0.95 (registry+https://github.com/rust-lang/crates.io-index)" = "326a296da2adbb719fcc2301f3b44a148261f72a46dbda89930ead9c90d584b2"
+"checksum clippy_lints 0.0.95 (registry+https://github.com/rust-lang/crates.io-index)" = "921bb7c49a9a58f6bd097fbbb9f729426e0f05372fe5b81a0a053f6b2d98dc5b"
 "checksum compose_yml 0.0.42 (registry+https://github.com/rust-lang/crates.io-index)" = "8baf2961140932a07bb5213f9efa6c655ad8d3ca6502c94b53e232d88ebeda16"
 "checksum cookie 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0e3d6405328b6edb412158b3b7710e2634e23f3614b9bb1c412df7952489a626"
 "checksum dbghelp-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "97590ba53bcb8ac28279161ca943a924d1fd4a8fb3fa63302591647c4fc5b850"
@@ -879,10 +873,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum openssl-sys-extras 0.7.14 (registry+https://github.com/rust-lang/crates.io-index)" = "11c5e1dba7d3d03d80f045bf0d60111dc69213b67651e7c889527a3badabb9fa"
 "checksum openssl-verify 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3ed86cce894f6b0ed4572e21eb34026f1dc8869cb9ee3869029131bc8c3feb2d"
 "checksum pest 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0a6dda33d67c26f0aac90d324ab2eb7239c819fc7b2552fe9faa4fe88441edc8"
-"checksum phf 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)" = "52c875926de24c01b5b69153eaa258b57920a39b44bbce8ef1f2052a6c5a6a1a"
-"checksum phf_codegen 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)" = "0a8912c2cc0ea2e8ae70388ec0af9a445e7ab37b3c9cc61f059c2b34db8ed50b"
-"checksum phf_generator 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)" = "04b5ea825e28cb6efd89d9133b129b2003b45a221aeda025509b125b00ecb7c4"
-"checksum phf_shared 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)" = "2c43b5dbe94d31f1f4ed45c50bb06d70e72fd53f15422b0a915b5c237e130dd6"
+"checksum phf 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)" = "f02853ab706e88121d7ad33ed06bedce0a7cdb96136be7c20ff0dce7b4adb9ef"
+"checksum phf_codegen 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)" = "563b670811792d49bff142e7bb9787530d9b689fb4c55c6c309822d8d956a242"
+"checksum phf_generator 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)" = "21416830a6c83526443b960fd41b5e18f64c4e4f90970499aeed2be592029042"
+"checksum phf_shared 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)" = "4a65f09191172833c798d31e5317ecd1e4be890a3d5acc6c2f85e1460c8828bd"
 "checksum pkg-config 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8cee804ecc7eaf201a4a207241472cc870e825206f6c031e3ee2a72fa425f2fa"
 "checksum pnacl-build-helper 1.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "61c9231d31aea845007443d62fcbb58bb6949ab9c18081ee1e09920e0cf1118b"
 "checksum quick-error 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0aad603e8d7fb67da22dbdf1f4b826ce8829e406124109e73cf1b2454b93a71c"
@@ -905,11 +899,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum shlex 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2"
 "checksum solicit 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "172382bac9424588d7840732b250faeeef88942e37b6e35317dce98cafdd75b2"
 "checksum strsim 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "50c069df92e4b01425a8bf3576d5d417943a6a7272fbabaf5bd80b1aaa76442e"
-"checksum syn 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)" = "b13c81b5c030f09cd7d6f11db2fd5f20cd92e967f49cc0033fcf31a1abe0cf70"
+"checksum syn 0.8.7 (registry+https://github.com/rust-lang/crates.io-index)" = "6ae6fb0dcc9bd85f89a1a4adc0df2fd90c90c98849d61433983dd7a9df6363f7"
 "checksum syntex 0.44.0 (registry+https://github.com/rust-lang/crates.io-index)" = "84f37b94d7ee762bcac58741f73a95465cf87188c3b93f10df9245aff821b2b4"
 "checksum syntex_errors 0.44.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d0d95d2141ae79f312a01c6934d9984f9d7f5cfaf0c74aae5fbbc234a6dcb77a"
 "checksum syntex_pos 0.44.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3e2cbf0598c5970f2dca122a4e6f7e93bf42f2d0b2dd88c3ea112413152864df"
-"checksum syntex_syntax 0.44.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5e25a819be16cba4729d5d0a59d9559b463250e90419cd4cc67ac258c6397e55"
+"checksum syntex_syntax 0.44.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5a89ee386d492cdd3855becec489c25797bb91bcbb3c2478c41969b24cb318a2"
 "checksum tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "87974a6f5c1dfb344d733055601650059a3363de2a6104819293baff662132d6"
 "checksum term 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "3deff8a2b3b6607d6d7cc32ac25c0b33709453ca9cceac006caac51e963cf94a"
 "checksum thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a9539db560102d1cef46b8b78ce737ff0bb64e7e18d35b2a5688f7d097d0ff03"
diff --git a/Cargo.toml b/Cargo.toml
index f30df80c..ea61049b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cage"
-version = "0.0.19"
+version = "0.0.20"
 authors = ["Eric Kidd <git@randomhacks.net>"]
 
 description = "Develop multi-pod docker-compose apps"