rubber 0.2.8

Rubber is an elastic bottom sheet widget with the customizable material spring animation.

## [0.2.8] - 02/05/2019

• Optimized status updates
• Fixed heder overflow, now parameters header and headerHeight are needed
• Improved stability

## [0.2.7] - 15/03/2019

• Changed "value" parameter name to "initialValue" in RubberAnimationController
• Added dismiss() method

[0.2.6] - 12/01/2019

• Fixed height factor < 0 crash
• Fixed exception if not using a scroll controller
• Improved stability to the launchTo animation

[0.2.5] - 12/01/2019

• Added header to help manage the bottom sheet with scrolling elements
• Fixed gestures detector inside Scrollable

[0.2.4] - 08/01/2019

• IOS optimization

[0.2.3] - 08/01/2019

• Bug fix

[0.2.2] - 07/01/2019

• Added scroll feature

[0.2.1] - 26/12/2018

• Added some spring descriptions
• Added new example to show spring settings
• Fixed pixel size initial value

[0.2.0] - 18/12/2018

• Added dismissable parameter to the animation controller
• Now it is possible to use pixel measures instead of percentages.
• Added the menu example

[0.1.7] - 17/12/2018

• Fixed example and hiding

[0.1.6] - 17/12/2018

• Fixed animation value < 0 or > 1

[0.1.5] - 17/12/2018

• Changed hide/show control and optimized

[0.1.4] - 17/12/2018

• Changed description and readme

[0.1.3] - 16/12/2018

• Initial release