Revert "Test statistics can now be gathered for not prior defined variables"

This reverts commit 257d7e7d22564dc50998106e592952179916db95.
Revert "Test statistics can now be gathered for not prior defined variables"

This reverts commit 34ed3d79eff3ac0b6b189950348e29938c8b603c.
Generating 4-disjunct matrix from hamming error correcting code words
Moved tests to separate directory
Made interface of test statistics more dynamic.
Changing structure of packages, moved sample experiment to graph_constr_group_testing package as a slow test
Solving group testing problem with up to two faulty nodes with the use of hamming code.