modify some functions
modify some functions

Add pack() and unpack() functions to convert stats to string and vice
versa.
Change the original pack() and unpack() functions’ names; those are
used to write stats to a file.

lrudolph1/GenericRPG,lrudolph1/GenericRPG,lrudolph1/GenericRPG,lrudolph1/GenericRPG,lrudolph1/GenericRPG