testing boolprop + code paths

Created by: ly29

Okay so not for merging, but for testing

With our without deepcopy=False 1000x1000 uv sphere

Processed  Sphere in: 2.8220
Processed  Viewer BMeshMK2 in: 5.4762
# deepcopy=False below
Processed  Sphere in: 2.7650
Processed  Viewer BMeshMK2 in: 2.6624

With our without deepcopy=False 32x32 uv sphere

Processed  Sphere in: 0.0029
Processed  Viewer BMeshMK2 in: 0.0079
# deepcopy=False below
Processed  Sphere in: 0.0027
Processed  Viewer BMeshMK2 in: 0.0030

Based on observation from here https://github.com/Sverchok/Sverchok/issues/47#issuecomment-280333879