# Change Log ## 4.0.1 * Updated README * All 15 unit tests passed ## 4.0.0 * Migrated to support Dart SDK 2.12.x NNBD ## 3.0.0 * Migrated to work with Dart SDK 2.12.x Non NNBD ## 2.0.0 * Updates for Dart 2 and Angel 2.