Use https for rubygems source
Test on 1.8 and 2.0 w/ travis
Only install debugger for ruby 1.9
Allow tests to run on ruby 1.8
Support ruby 1.8

* Convert arrays returned by Hash#select to Hash with helper method
* Update TMF tests to not use :!=
* Update TMF lib to support plain assertions
Ignore .ruby-version and .ruby-gemset in git
Exit with proper status in rake
Add comment to tmf
Merge pull request #15 from bowsersenior/feature/ruby_18_support

Support ruby 1.8