Merge pull request #9 from Kick-In/data-clone-getters

Add getters for clones of matrix and result set data

Merge remote-tracking branch 'origin/solve-max'

Merge branch 'fix-string-augmentation'

Merge branch 'string-matrix-improvements'

Remove redundant variable in Hungarian#getFirstUncoveredZero

Fix failing tests

Should've done this sooner

Fix issue in label ordering for getRowLabels/getColLabels

Fix indexing issue in label application for result set

Make ResultSet Iterable

Overhaul and performance upgrade