Added debug print() statements for fps, framerate and length

Temporarily changed MFCC output to .txt file for debugging purposes

Unfinished, needs further testing and evaluation / understanding

Added MFCC code to codebase as audio_processing() function

Improved debug print() output

Removed vid_num argument from frame_processing() function

Will later be integrated into the existing codebase

Cleaned up print() debugging code

Added separate print() statements to delineate between video processing and frame processing stages

Added .gitignore file for output "/data" folder

Re-ordered code to crop the face region after facial alignment is performed, instead of before.

Renamed test scripts

Added output folders to compare results

- Includes test scripts from previous stages of development

- Includes binaries of dataset (.wav and .mp4 files)