Split up the program from one big file to 3 files

BJStructs.c and BJStructs.h now contain the code to maintain a deck of
cards and should be complete enough to add to any program and make it
work, and it's structures and functions (besides info which can have
minor modifications) should work for almost any card game containing 52
cards, and cards with a value and a face (As in, as long as it's not
Uno) like Poker.

Main has also been trimmed down considerably and all global variables
have been removed from the project, as all information is in the Info
data structure which is tossed around the program more than a hooker at
a bachelor party (lol).