Remove tt_min_abs with wrong semantic
Make tt_min (tt_max) more robust.
Remove debug output
Remove last forgotten debug output
Bug fix: tt_matrix should correctly take row vectors as input.
Merge pull request #10 from Bihaqo/tt_matrix_bug

Bug fix: tt_matrix should correctly take row vectors as input.
Merge pull request #9 from Bihaqo/fix_tt_min

Fix tt min