reusable Toast widget
support top and left(s) toasts. text padding
setImages. error on switch to position with unspecified image. proper doc refs.
fixed typo
always call setImages in constructor. setImages calls setImage if this.position exists. setPosition always calls setImage. pop throws error if no image exists at position.
Merge pull request #165 from gameclosure/feature-toast

Feature toast
BackingExtension.enforceAspectRatio finds layout dimensions on style instead of opts.
Merge pull request #166 from gameclosure/fix-layout-dims

BackingExtension.enforceAspectRatio finds layout dimensions on style ins...
StackView.push forces y to 0
Merge pull request #167 from gameclosure/fix-stackview

StackView.push forces y to 0
SpriteView with Jimmy's optimizations: switch tick between function and null -- much faster than subscription approach; new optional optimization -- onScreen bool.
Add device.stayAwake(enable)
Merge pull request #170 from gameclosure/feature-stayawake

Add device.stayAwake(enable)
added clearstorage option to help
Merge pull request #169 from gameclosure/jimmy-spriteview

SpriteView with Jimmy's optimizations: switch tick between function and ...