Merge pull request #1 from pjaspers/master

Fix: Home needs to be concat as a dir
Add LICENSE (standard MIT style)
Make the parameter to chruby optional

If omitted, the return value will be the name of the current Ruby.
Replace quoted lambda with just the lambda, unnecessary and fixes a warning.
Bugfix for bad quoting in shell command. Closes #2
Add autoload cookie for chruby function, and missing trailing line
Merge pull request #4 from purcell/patch-1

Add autoload cookie for chruby function, and missing trailing line
Source vs LICENSE files contained conflicting licenses. Keeping GPL-v3
add system ruby
extract chruby-reset
clear RUBYOPT
Merge pull request #5 from kaiserprogrammer/master

add chruby switch to system ruby and clear RUBYOPT like chruby does