fixes #4, fixes #5, fixes #6, fixes #7, fixes #8, fixes #9, fixes #10, fixes #11, fixes #12
fixes #4, fixes #5, fixes #6, fixes #7, fixes #8, fixes #9, fixes #10, fixes #11, fixes #12

LucaDiStasio/thinPlyMechanics,LucaDiStasio/thinPlyMechanics,LucaDiStasio/thinPlyMechanics,LucaDiStasio/thinPlyMechanics