[ee122] Server Handling Dot's

[vern at cs.berkeley.edu]

> All of those should be treated as directories, except the one with 3 
> dots since that's invalid.

More precisely, 3 dots is simply a filename like any other.  '.' is a
filename that happens (under the hood in the Unix file system) to be linked
to the current directory, and '..' to the parent directory.

		Vern