Update travis config and Gemfile.
Add documentation to functions.
Fix camelcase spec failure in Ruby 1.9.3.
Add require_relative support.
Cleanup unused variable.
Add is_to_s should_to_s to vmware property.
Fix bug where first_letter is not passed to camelize.
split vmware property to different files.
Fix VIM constant location.
Fix camel munge bug where it does not pass options.
Ignore Gemfile.lock
Merge pull request #19 from nanliu/upgrade

Upgrade to Ruby 1.9.3