v0.0.8 - 2013/07/09 Fix bug when writing 'nil' track count to M4A file
v0.0.7 - 2013/07/09 Fix bug when writing GIF cover art to M4A file
v0.0.6 - 2013/07/08 Fix bug when writing ID3 with nil track/disk number
v0.0.5 - 2013/07/03 Reorganize code to decrease complexity in CodeClimate
v0.0.4 - 2013/06/25 Support Ruby 1.9.2 by including the correct ActiveSupport
v0.0.3 - 2013/06/25 Require TagLib >= 1.7.2 for full M4A support
v0.0.2 - 2013/06/14 Adds support for M4A (rather than just MP3)
v0.0.1 - 2013/06/13 Implements read_tags_from and write_tags_to