Better exception handling

v1.6.4

Better exception handling with custom classes

FIX: cache handling

Merge pull request #34 from grray/master

Don't open connection to last.fm if response is already cached.

Cache bug fixed

v1.6.2

Obsolete code removed  and changed variable naming

sqlite upgraded to sqlite3

Merge pull request #32 from grray/sqlite3

Sqlite3 instead of outdated sqlite for cache

Chart API

Added Chart API support and. Also phpunit version upgraded.

Fixed artist search image results

Merge pull request #29 from scottcarlson/fix/searchArtistImageResults

Fix artist search image results

Minor Bug Fix

Wrong variable type initialization.

Added new sizes for artist images

Also typo fixed.

Multi track scrobbling

Updated TrackApi track.scrobble to allow scrobbling multiple tracks in a batch.

mbid property

mbid property added to album search results