higher level exception handling on Windows
+ Handle empty system path in init script
Used new PropertyQuantity API in Draft & Arch - fixes #1414
Arch: fixed Continue mode
Updated sphinx files
Fixed Draft utilities menu
+ Avoid to unnecessarily throw Py::Exception
+ Minor fix in test feature
+ Fix for clang
Part: CheckGeometry: Mantis #0001427

    Store coin referenced pointer instead of viewprovider
+ fixes #0001429: don't apply booleans on null shapes
Draft: Fixed IsActive methods - fixes #1431
Arch: removed some debug output
Fixed a regression in wire.makePipeShell caused by commit d62ed23