Modified gitignore to remove all non essential project files
[PS102] Implemented comparison of bin order in lexicographical order with minor refactoring
Updated gitignore to ignore any test input/output files
[PS103] Created stubs, added problem pdf and included sample input output
[PS103] Added contents to sample input and output
[PS103] Created box class and implemented method to parse input
[PS103] Implemented and tested input parse