+ Re-enable Mefisto for MSVC
+ code cleanup
+ extend Python API of selection gate
+ restore arrow cursor when mouse moves into empty area in 3d view
+ fix build failure, fix warning
Draft: added getShapes() function to DXF import

You can now use importDXF.getShapes(filename) to get a list
of shapes from a DXF file
Arch: Switched structure and window to Units system
+ avoid to build Material target all the time
+ fixes #0001501: Add Ability to Export Dependency Graph as SVG and PNG
Draft: preparing for units support
+ fix minor issues with graph export
+ fix crash when closing sketch while external geometry handler is still active
+ fixes# 0001502: crash when using 'move' tool in part workbench
+ disable to set PYTHONPATH by default
Housecleaning in offline docs scripts
More cleaning in offline doc scripts
Arch: fixed bug when using the IFC importer twice
Further adjustments in offline doc tools
Arch: Fixed IFC importer to work with latest IfcOpenShell version
+ fixes #0001505: Fix multiple bugs in Idf.py