Added all files/changes that would have been generated by 'bundle gem rubyhue'
basic rspec test, fixed error in bulbstate class
added CLI tests
updated README.md
fixed requires in rubyhue.rb
added tests, fix to make test pass. one new test failing.
additional tests and fixes to allow them to pass
another test & fix
updated README.md
Merge pull request #22 from turnerba/bat-gem-guide

Tested, merging.