This push adds several core macros and some minor.

MAJOR:
letGenMacros.asm:
this will acquire and place randomly generated letters into the letters space.

wordSearchMacros.asm:
this linearly finds all of the words that can be created with the random letters.

MINOR:
utilityMacros.asm:
added printChar macro along with an exit macro out of complete lazieness of loading immediate 10.