+ fixes #0001633: Allow adding radius constraints to several circles at once.
+ let user decide to use equality constraint or independent radii
+ support to create faces from vertices with shape builder
+ Make destructor virtual for classes with virtual methods (based on DevJohan's patch)
Arch: misc bugfixes
Added more regular polygons to the sketcher gui
Added more regular polygons to the sketcher gui
Merge branch 'master' of ssh://git.code.sf.net/p/free-cad/code
+ fixes #0001619: Python script generating 3D model works in V0.13, error in V0.14