IPART v3.6.0

Minor bug fix:

• Force tuple(slicer) for ndarray slicing: 8b4d186, 47a805a
• Version compatibility fix for networkx: g.edge fails for later versions of networks, use g.adj if the former failed: bccbaff
• Fix a zonal cyclic check bug: check only if zonal_cyclic parameter is set to True: bccbaff
• Change selem to footprint in skimage.morphology funcs: 544aec0