Merge pull request #3 from Rythix/master

Fixed C Code & Added License to Quical.cpp
Some more debugging. HELP WANTED!
Update Calsrc.c
Included "strings" library, still need debugging
Xentho in credits.
Finally debugged "possible assigned value" bug.

Quical is ready for building.
Minor changes, changed text printed.
Fixed false sum issue. 

Will need some more debugging, especially with replacing the "oper" integers with a string...
Addressed minor printf issue.
Merge pull request #1 from AJAVgames/master

Merge