Removed old library
Initial setup with Guzzle, added getArtist, getArtistReleases, search
Removed support for php 5.3, added support for php 5.5 in Travis
Added getRelease, futher improved test using History
Added test for correct method
Added getMaster
Added getMasterVersions
added getLabel
added getLabelReleases
Added OAuth support, added getOAuthIdentity
Added getInventory
readded README.md, added UPGRADE.md
Merge pull request #15 from ricbra/guzzle

Guzzle 4 rewrite