Add functionality to get music library information like tracks, albums etc.
Added camel_to_underscore text string convinience method
Added 8 convinience methods to get the different kinds of music library information
Added credit for the information on the searches to the Janos project
Added new method names to the class doc string
Added missing tag for the albums search
Added playlists clarification, removed get_folders method, added return structure description
Added unit test file to documentation and wrote section of running the unit tests
Added documentation section about unit test code structure and naming conventions
Resolved conflicts between master and music_lib_support
Completed first version of the unit test documentation
Minor corrections and and section on special considerations
Merge pull request #32 from KennethNielsen/unit_test_documentation

Unit test documentation