v0.13.3

• Repetition

Fix repetition to correctly add the selected class to iterations'
elements that are components too.

• Overlay

It enters and exists the document everytime it is shown or hidden.

• AbstractSlider

Add active state.
Add vertical mode.

• AbstractTextArea

Fix issue with null placeholder text.

• Target

Removed willSurrenderActiveTarget and added surrendersActiveTarget
that asks the target to surrender the activeTarget status.

• Several bug fixes