Add a test that shows we can create an AudioInfo with a .flac file and that it uses FlacInfo under the hood
Add a case insensitive wrapper to flacinfo's tags hash
This fixes all cases where metadata is written as Artist as opposed to ARTIST/artist
Remove all || statements which were meant to handle different capitalizations
Remove .gemtest from the gemspec since I don't see it anywhere and this prevents the gem being installed
Merge pull request #4 from marcbowes/master

Handle different capitalizations of metadata in flac files