Merge pull request #4 from danieldisu/master

fixes #3
Fix for related artist test
Add new product type
Bump version to 1.3
Update change log
Bump version to 1.4.0-SNAPSHOT
Enable setting limit and offset when requesting a user's playlists
Bump version to 1.4.0
Bump version to 1.4.1-SNAPSHOT
Update README
Add available_markets to SimpleAlbum
Add show dialog parameter to authorization URL
Bump version to 1.4.1
Bump version to 1.4.2-SNAPSHOT
Update pom configuration in order to release on Maven Central
Update change log