flutter_extensions 4.0.0

It adds utility extensions to the flutter classes and adds some utility classes.

[4.0.0]

• feat: upgrade to pure_extensions: ^4.0.0

[3.4.0]

• feat: upgrade to provider: ^6.0.0

[3.2.1]

• Fix ChangeableValueListener

[3.2.0]

• Update dependencies
• Improved Changeable widgets
• Added BuildContext.showDialog

[3.1.0]

• Update dependencies

[3.0.0]

• Migrate to null-safety
• Removed RxStream(Listener/Builder/Consumer)
• Improved ValueStream(Listener/Builder/Consumer)

[2.1.1]

• Added animations tween: DoubleTween, TransformTween, AdapterTween, RotationTween, OffsetTween, PathTween
• Added transitions widgets: PaddingTransition
• Added widgets: FillSingleChildScrollView

[2.1.0]

• Update pure_extension dependency

[2.0.0]

• Now many extensions are on the pure_extensions package

[1.0.4]

• Added FixedIndexedStack

[1.0.3]

• Added Iterable<MapEntry<K, V>>.toBuiltMapList()

[1.0.2]

Fix flutter and dart version

[1.0.1]

• Added copyWith for Size
• Added AspectRationBuilder
• Added InkStack
• Added ButtonStyleBuilder

[1.0.0] - 2020/10/15

• Restyle code
• Add KeyboardRemover

[0.2.8] - 2020/04/12

• Add Map.getKeyAfter, Map.getKeyBefore

[0.2.7] - 2020/04/12

• Add RxStreamConsumer, RxStreamBuilder, RxStreamListener and ValueStreamConsumer, ValueStreamBuilder, ValueStreamListener

[0.2.6] - 2020/04/02

• Add generateIterable, every, any on Map and BuiltMap

[0.2.5+4] - 2020/03/22

• Add Iterable.separate, Iterable.separateByContains, Iterable.expandByIterable

[0.2.3] - 2020/03/15

• Add ListenableBuilder, ValueListenableBuilder

[0.0.4+1] - 2020/03/05

• Add CompositeMapSubscription

[0.0.4] - 2020/03/03

• Add SizeCopier

[0.0.1] - TODO: Add release date.

• TODO: Describe initial release.