Module keys
Helper for dealing with keypresses
This module is a lua script (keys.lua), you need to explicitly load it
with require('keys')
Class keys
| keys:keys () | Starts the key handler if not already running, returns whether or not it was started |
| keys:getkey () | Returns a single key that has been pressed since the last time getkey was called, or nil if no key was pressed. |
| keys:stop () | Stops the keys |
| keys:anykey () | Blocks until any key is pressed |