Minor change to "look"

Date:Sat Jan 8 00:23:18 2011
The "look (at)" command will now accept position modifiers (e.g., "inv." and

Example, if you wield a sword (A) and there are two on the ground (B and C):

 > l sword
 shows A
 > l 3.sword
 shows C
 > l room.sword
 shows B
 > l 2.room.sword
 shows C
 > l inv.sword

Of course, this is exactly how most other commands work, but look has always
been different (and still is) as it not only handles object and character names
but also description keywords.

This change should at least make the difference slightly less annoying.

- Dáin