Update API and Readme

1.1.4

Update Readme and copyright

Release in cocoa pods

1.1.2

Update podspec version

Add side bar classes. Update readme.

Add more models. Add table cells for ready-use. Update tutorial and example target.

Allow all inits for controllers

Removed ovveriden inits.

Add docs & update Readme

Add docs. Update readme with examples. Merge header and footer models to SPDiffableTextHeaderFooter.

Update table logic

Now allowed change diffable cell providers after init table. Added default models. Added example target. Updated readme.

Release

Now supporting table and added basic models.