TextField HOME/END key support
TextField HOME/END key support

Also DRYed up LEFT/RIGHT/UP/DOWN keys
Gama11/openfl,Gama11/openfl,NenadBojkovski/openfl,NenadBojkovski/openfl,openfl/openfl,openfl/openfl,Gama11/openfl,Gama11/openfl,openfl/openfl