ZVISION: Implement functions for system messaging.
ZVISION: Controls now can return type of control.
ZVISION: String manager only load text lines without parsing text styles.
ZVISION: Implement code for getControl
ZVISION: Fix drawTxt y-position.
ZVISION: Implement fuctionality for change focus without of calling focus/unfocus
ZVISION: Bool results for keyUp and keyDown events for controls.