CHANGE: orun :r! can be used without args to restart initial script
cleaned warnings
version set to 5.3-alpha4
NEW: TextBox Widget
Added TextBox widget in omegaToolkit (WIP)
several additional changes to base Widget and Label classes, to support TextBox
Also added global style options to WidgetFactory to set global focused and
Label colors.

Added very basic textbox example (WIP)
NEW: TextBox event handler
When user presses enter, ChangeValue event is dispatched. Added script support
and modified example to show how to use it.
NEW: Image source/dest Rect
Added methods to change the source and destination rects for the image pixel
data. Planning to use this for independent rendering of images crossing border
tiles, but it is useful for scrolling image interfaces as well.
Added example showing how to implement an image scrolling interface.
updated omicron ver