Added support for namespaced models, working on issue #18
Removed unnecessary echo of error
removed some debugging code
catch the case where db manually modified, and related class no longer exists as expected
removed need to load from db, just create a new dummy when getting new / old value
removed request for help, solution found in previous commit
Using getKey() instead of $this->id

Allows overriding of the primary key for a table using the $primaryKey variable in the model
Thanks to maclof/revisionable/@cb9b679569d5af59113d896a082e256bf2a003a6
double check on dirty data before saving change

Thanks to dnstbr/revisionable@ea17903fd0854838f044bcfe204e3d64b0abecfe
don't compare old to new if old doesn't exist
Batch insert revisions

Fixes #14
Bug fix: the fallback strings for null or unknown revisions weren't being overridden correctly

Fixes #19
Support for eloquent accessors

Fixes #21