Better handling of ties (changes in computation of rankings and final winner in certain cases)
Better handling of ties (changes in computation of rankings and final winner in certain cases)

- Calculate strengths of pairwise defeats primarily by absolute number of votes for winner and secondarily by absolute number of votes for loser
- Different treatment of edge cases in function "vote_ratio"(...)

g0v/liquid_feedback_core,g0v/liquid_feedback_core