Fixing issue #51
- adding an instruction for OS X 10.9.3, Ruby 2.1
Merge pull request #59 from napcae/master

Fixing issue #51
gem install curses
Merge pull request #62 from fly/curses

gem install curses
modifying readme for Ubuntu. you need the development libraries for ruby to build it
Merge pull request #63 from tateeskew/readme-update

modifying readme for Ubuntu. you need the development libraries for ruby...
Add minitest/pride because testing is fun.
Refactoring; tidy up Playlist class and add tests.
Refactoring; tidy up Track class and add tests.
Merge branch 'twerks' of github.com:gavinlaking/soundcloud2000 into twerks