Updated provider syntax.

2.1.0

Updated provider syntax.

Renamed `identifier` to short `id` anywhere. Added methods to update layout without update content. Updated Readme.

2.0.0

Updated Readme.

Remove extend for custom table cell.

1.6.8

Remove extend for custom table cell.

Fixed cell provider.

1.6.7

Fixed cell provider.

Added model `SPDiffableCustomTableRow` and cell for it.

1.6.6

Updated version.

Refractored files. Added `reload(_ item:)` and `reload(_ items:)` functions.

1.6.5

Refractored files. Added `reload(_ item:)` and `reload(_ items:)` fun…

Added completions to apply content and sections.

1.6.4

Added completions to SPDiffable.

Fixed iOS deployment target to 12.0.

1.6.2

Fixed iOS deployment tartet to 12.0

Updated Readme.

1.6.1

Updated Readme.

Added reload methods to diffable data source.

1.6.0

Added reload methods to diffable data source.