Swift 5, SPM

• Update Package manifest file
• Update to Xcode 11

Swift 4.2

• Update to a few nested UIKit types (PR #52)
• Clarify issue around a data/view inconsistency with UICollectionView, discussed in PR #26
• Also, since version 3.1: assume IndexDistance is always of type Int (PR #48)

Custom Comparator

• Support custom comparator function for comparing collection elements (defaults to ==)

Swift 4.0

• Update to Swift 4; most noticeably, String is now a Collection
• Make Edit a subtype of Changeset so that it inherits the same generic constraints
• Make Operation a subtype of Edit
• Use offsets on changeset collections, as opposed to indices
• Use labels on all initializer parameters (per Swift convention)
• Squeeze to 100% code coverage on unit tests

Reduce Memory Footprint

• Fixed
  • Reduce space complexity to O(m)
  • Expand variable names for readability

Suppress Warning

• Fixed
  • Allow Changeset to be used from within a framework, and outside of an application target.

UIKit Extensions

• Added
  • UIKit extensions for UITableView and UICollectionView for easy updating (were previously only included in the test app)

Automatic Provisioning

• Changed
  • Framework target set to automatically manage code signing.

Swift 3

• Changed
  • Project defaults to Swift 3 (use the swift-2 tag to stay on Swift 2).
  • Renamed editDistance(source:target:) on Changeset to the Swift 3-friendly edits(from:to:).
  • Updated Quick Help documentation slightly.

tvOS

• Added
  • Support tvOS.