New features of SCCS-0.2:

-	Simplified the method for changing the install directory

-	All function declarations now use clean ANSI-C protoypes

-	The SVr4 program "bdiff" is now included in SCCS.
	"bdiff" is a simplified but large file aware diff program that 
	operates on pure 8-bit characters. This removes dependencies
	from unreliable local "diff" implementations.

-	Replaced all gets() calls by calls to fgets()

-	Replaced mktemp() cally by mkstemp() whereever it makes sense