changed vars in _load_header_metadata
edit _load_header_metadata
edit _load_header_metadata
check when in init
header colon
edit arg defaults, get_frames
made object variables
added del method, test get_frames
frame_num to frame_idx
made num_frames and frame_idx ints
correct num args for destructor
made _load_num_frames
added to _load_num_frames
added verbose option, restructured functions
fixed #4
return functions for header, footer

closes #2
finished restructuring functions
corrected num args in main
return outside of fund
corrected class variables