SPM and DeppDiff as xc

Merge pull request #23 from rosberry/deepdiff-update

Use Deppdiff as xcframework

Make it soft

Implement soft cell update

They get smarter

Simplified working with factories
Implemented ViewCellItemFactory and lazy section item providers

Cell size caching

Caching calculated sizes for cell in cell item for optimisation.

0.1.2

What's new

• CollectionViewTools now support diffs. Check out new Diff example.
• CellItemFactory - now you don't have to create separate cell item for each cell. Try universal cell items and cell item factories.

0.1.1

• Fix performance issue
• Update functions and handlers for cell items to remove unnecessary optional unwrapping

0.1.0

You waited for it for a long time and now update is here.

Warning

This version breaks backward compatibility so be careful with update

What's new

• Rework example app and add a bunch of features
• Remove redundant protocol word from all protocols
• Simplify ReuseType enum
• Add new context properties to cell and section items such as
  • collectionView
  • indexPath for cell items and index for section items
  • sectionItem for cell items
• Simplify protocol methods and handlers by removing context variables
• Add missed handlers for cell events
• Rework all update methods for cell and section items such as insert, remove, reload
• Add convenient append and prepend methods to insert items in the end or at the beginning
• Update docs
• Improve performance for sections updates
• Open some internal functions for easy overriding/updating methods
• Fix issue with changing let to var when setting any handler for cell items
• Update to swift 4.2 syntax