Merge pull request #1 from TK-IT/rav-refactor

Rav refactor
Merge pull request #2 from TK-IT/rav-refactor

Rav refactor
Merge pull request #4 from TK-IT/rav-refactor

Rav refactor
Improved makefile
A bit of cleaning and comments
Tiny corretion
Minor change to the readme
Options for party and sort. Output names. Option to test the input file.
Removed preceeding comments.
Changed to Python 3