created files for stack implementation
implementation of stack methods, some signature changes in case of allocation errors
fixed bf_init to correctly initialize
Initial commit of (bad) Makefile
added positon struct
migrated declarations to befunge.h, including new struct position and delta, and enum direction
removed swap files from make clean
added befunge.c to Makefile
changed naming convention for befunge stack to bfs_*
implemented loading of code from a file
set up init functions to implement
modified befunge stack to no longer work on pointers
implemented bf_init
Added code for running befunge code and destroying structure