Added funcs on funcs on funcs on funcs. Also if you run testmathfuncs.gxs, it will tell you if all of the mathematical functions are working correctly.
Merge branch 'master' of https://github.com/KaiSmith/gunderscript into KaiSmith-master

Signed-off-by: Christian Gunderman <christian@sonofboss.cwru.edu>

Conflicts:
	testmathfuncs.gxs
Condensed some libmath.c logic.

Signed-off-by: Christian Gunderman <christian@sonofboss.cwru.edu>