grid.pattern_weave() adds the new units parameter
that most other "geometry" pattern functions received in gridpattern v1.2.1.
The "polygon_tiling" pattern should now respect the units parameter
if set to a value different from the "snpc" default (#82).
For the "polygon_tiling" pattern type = "18.18.3*" the size of the
eighteen-sided polygons have been increased a teeny bit and
this polygon tiling should look a bit cleaner.
grid.pattern_weave()adds the newunitsparameter that most other "geometry" pattern functions received in gridpattern v1.2.1.unitsparameter if set to a value different from the "snpc" default (#82).type = "18.18.3*"the size of the eighteen-sided polygons have been increased a teeny bit and this polygon tiling should look a bit cleaner.closes #82