Critter key binding take the form:

BIND key_code_list command value

where key_code_list is a list of one or more of any capital letter or UP DOWN LEFT RIGHT HOME END SHIFT CTRL ALT TAB PGUP PGDOWN or SPACE

command is one of:
MOVE
TURN
ATTACK 
TOGGLE_CAMERA_MODE

and value is an integer or floating point number.

For example, the following commands bind the UP key to walk forward, SHIFT-UP to run forward and DOWN to walk backward:

BIND UP MOVE 0.1
BIND SHIFT UP MOVE 2
BIND DOWN MOVE -0.1
