Python program that estimates the combo of a master lock within 8 possibilities. Based on Samy Kamkar's findings in a wonderhowto article, http://null-byte.wonderhowto.com/how-to/behind-hack-discovered-8-try-master-combo-lock-exploit-0161877/
Video with steps for finding values: https://www.youtube.com/watch?v=09UgmwtL12c
Instructions for Mac and Linux: Download zip of repository file, unzip, cd to 'unzip location/master_cracker', and enter in the command line: 'python master_cracker.py'