Log Message:
Updated cad/py-gds to 0.9
-------------------------
- v0.9
Almost version 1.0...

This version introduces new translation and copy features
added by John Bell.  A new flag for joining polygons before
offsetting them has also been included.

- v0.8.1 Faster boolean and offset
This release introduces the Clipper library for better
performance on boolean and offset operations on polygons.

Compiled Windows binaries are contributed by @johnlb.

- v0.7.1 First GitHub release
Minor structural changes since version 0.7.

Compiled Windows binaries for Python 3.5 are contributed by
@johnlb.