Support variable assignment in local blocks. This should fix #347 but more testing is needed
Merge branch 'master' into issue347
Removed unused member variable
#347 Deprecated assign()
sync
Merge pull request #1022 from openscad/issue347

Support variable assignment in local blocks.
Don't use assign now that it's deprecated
Test assignment in if, else and assign scopes
bugfix: Correctly handle else scopes, handle overrides inside assign scopes
Updated tests
Added missing moduledump tests for chr, concat, norm, cross, parent_module
Added missing moduledump tests for offset and text
Added missing moduledump tests for list comprehension and let
Updated test results of all* tests
bugfix: dump of list comprehension if expression was buggy
C++11 build fix
Updated ClipperLib to 6.2.1
Compile fix: Don't include Carbon as it pollutes the global namespace with e.g. 'Polygon'
Moved Polygon typedef out of PolySet class
fixes crash when intersecting 3 or more 2d objects which results in an empty polygon