Arch: small bugfix in Add tool
Proof of Concept for an exporter to DRAWEXE commands

support for  MultiCommon and Part::MultiFuse
support Torus and Mirroring
added angle properties to sphere, cone and torus
reduce multi booleans starting from the beginning
save shapes without placement
save floats with higher precsion
shorten numbers
non-uniform scaling
support Part::Prism
Allow selection of two objects for OpenSCAD.replaceobject
add icon OpenSCAD_IncreaseToleranceFeature