0.3.0

Breaking changes:

• Your model do not need to adopt the CKAnnotation protocol anymore, only MKAnnotation.

• For GoogleMaps: don't forget to update the GMSMapView+ClusterKit files.

Fixed

• Issue #23: Fix flickering pin on MapKit when updating clusters.
  Identical clusters are no more replaced and the clusters animation have been improved to be performed by batch.

Added

• Mapbox: ClusterKit is now compatible with Mapbox.

Removed

• CKAnnotation protocol: CKAnnotation is no more accurate since we don't replace identical clusters.

Updated

• CKCluster: Compute the cluster bounds. Add cluster comparison methods.