Compilation: issue the ```make``` command

Usage: life B S

	B                   neighbors needed to be born

	S                   neighbors needed to stay alive

Example: life 3 23

	Each cell becomes alive if it has 3 neighbors and stays alive if it has 2 or 3 neighbors.

Keybindings:

	enter               restart with random seed

	backspace           clear screen

	space               pause

	period              step

	g                   toggle grid

	left mouse button   draw

	right mouse button  erase

  q                   quit