2.1.0

This release closes the 2.1.0 milestone.

Enhancements

• Added support for macOS. Note: this is only for the Diffing components. There is no support for IGListAdapter, IGListSectionController, and other components at this time. Guilherme Rambo (#235)
• Added a macOS example project. Guilherme Rambo (#337)
• Disables prefetchEnabled by default on IGListCollectionView. Sven Bacia (#323)
• Working ranges now work with IGListStackedSectionController. Ryan Nystrom (#356)
• Added CocoaPods subspec for diffing, IGListKit/Diffing and an installation guide. Sherlouk (#368)
• Added allowsBackgroundReloading flag (default YES) to IGListAdapterUpdater so users can configure this behavior as needed. Adlai-Holler (#375)
• -[IGListAdapter updater] is now public (read-only). Adlai-Holler (#379)

Fixes

• Avoid UICollectionView crashes when queueing a reload and insert/delete on the same item as well as reloading an item in a section that is animating. Ryan Nystrom (#325)
• Prevent adapter data source from deallocating after queueing an update. Ryan Nystrom (4cc91a2)
• Fix out-of-bounds bug when child section controllers in a stack remove cells. Ryan Nystrom (#358)
• Fix a grid layout bug when item has full-width and iter-item spacing is not zero. Bofei Zhu (#361)