Enemies
~~~~~~~
Syntax of Enemies file:
 One line per enemy, specified as �E� in Data file
 number of moves, move 0 x velocity, move 0 y velocity, move 0 duration, etc
 (velocities in pixels/frame)

Enemy objects:
+32	number of moves
+36	current move
+40	move 0 x velocity
+44	move 0 y velocity
+48	move 0 timer
+52	etc