Adds task to run tasks on each minimally mutation infinite extension of each matrix in the mutation class of a given matrix.
Trying to get the task to work. Currently having problems with having so many MutipleTasks at once
Working on getting the minmutinf task to run on all matrices in mutation class
Redoes the EquivalenceChecker to provide a dummy instance for marices of size 0
Fixes problems with the RunMultipleTasks builder constructor.