Add translation from integer ethertype to ASCII
Add translation from integer ethertype to ASCII

MAC addresses are still weird in printing, e.g.:
f:12:34:6:dd:cc
instead of
0f:12:34:06:dd:cc.

I prefer the second example, but they are equivalent.
Regardless...

--- deliverables ---
2a: Sniff packers on an interface for a user-specified time.  For every packet
captured, printout on the screen the following information in the following
order:
	* Destination address in Hex
	* Source address in Hex
	* Type of payload in ASCII

sjbarag/ECE-C433,sjbarag/ECE-C433,sjbarag/ECE-C433