Ignore events for 250ms when received
Ignore events for 250ms when received

This ignores all events for 250ms after one is received. This stops the
event from being handled more than once for one keypress.

legionaryu/keysocket,vladikoff/keysocket,borismus/keysocket,iver56/keysocket,vinyldarkscratch/keysocket,noelmansour/keysocket,feedbee/keysocket,chrisdeely/keysocket,borismus/keysocket,kristianj/keysocket,ALiangLiang/keysocket,kristianj/keysocket,feedbee/keysocket,vinyldarkscratch/keysocket,Whoaa512/keysocket