Set RUBIES to "$HOME"/rubies/* instead of "$HOME"/*
Merge pull request #57 from spastorino/patch-2

Set RUBIES to "$HOME"/rubies/* instead of "$HOME"/*
Call ruby with an absolute path (issue #58).

* This ensures that any Ruby has a bin/ruby executable,
  otherwise an error will occur.
Fixed typo. Use ~/.rubies/*
Mention the IRC channels I've pestered.
Mention @havenwood in the Credits.
Bump MRI version to 1.9.3-p362
Rescue brew error if some package is already installed, force jruby alias
Merge pull request #59 from julienXX/master

setup.sh update
Style.
Version bump.
Updated the ChangeLog for 0.3.1.
Added specific configuration for system-wide usage.
Check if bin/ruby exists and is executable before switching Rubies.
Return the error code from chruby_use.
Wording
Fixed chruby_reset tests.
Fixed typo.
Added a test for when bin/ruby does not exist.
Fixed argument sequence.