arrays: fixes for doctests and py2.7 float repr
arrays: fixes for doctests and py2.7 float repr

leonsooi/pymel,AtonLerin/pymel,juggernate/pymel,assumptionsoup/pymel,AtonLerin/pymel,david-lassonde-adsk/pymel,juggernate/pymel,shrtcww/pymel,david-lassonde-adsk/pymel,leonsooi/pymel,assumptionsoup/pymel,shrtcww/pymel