Cleaned up the plugins.

plugins/github/_github

@@ -1,10 +1,10 @@
 #compdef github
 #autoload
 
-# in order to make this work, you will need to have the github gem installed
+# The github-gem is neccessary for this completion to work.
 # http://github.com/defunkt/github-gem
 
-# github zsh completion, based on homebrew completion
+# This completion is based on the Homebrew completion.
 
 local -a _1st_arguments
 _1st_arguments=(
@@ -38,3 +38,4 @@ if (( CURRENT == 1 )); then
   _describe -t commands "github subcommand" _1st_arguments
   return
 fi
+

plugins/github/github.plugin.zsh

@@ -1,6 +1,10 @@
-# hub alias from defunkt
+# Aliases
+
+# Hub by defunkt
 # https://github.com/defunkt/hub
-if [ "$commands[(I)hub]" ]; then
-    # eval `hub alias -s zsh`
-    function git(){hub "$@"}
+if (( $+commands[hub] )); then
+  function git() {
+    hub "$@"
+  }
 fi
+