Added layout method to layout children
Set the size of the MainScreen on startup
Layout the queuebox
Implemented display to not draw more lines than available
Changed selectedRow to selectedLine
Implemented reverted drawing for selected line
Added basic setup for event handling
Initialize parentResponder for proper key handling
Added basic (read erroneous) implementation for up and down arrows
Setup runloop to handle events
Timing event handling for debugging purposes
Added index checking when handling up down keys
Added clean method
Added scrolling with scrollbar
Showing key codes for debugging
Implemented page up and page down keys