RapCAD version 0.9.4

• Implemented simple align module.
• Fix bug where updating the view gets called twice.
• Added interactive mode, for evaluating expressions.
• Implemented simple text for displaying numbers in auxilary geometry.
• Allow print to be used with no output model. Correct precision in print output.
• Added thickness parameter to Slice module.
• Added decompose module. Decomposition can be seen with view→show edges.
• Initial implementation of auxilary geometry for the bounds module.
• Group module now does fast unions on non-intersecting primitives.
• Performance improvement for unions.
• Correct first parameter name in rotate module "vector"→"angle".
• Added a concat() function.
• Added export for vrml 2.0 and obj file format.
• Polyline Module can now optionally do multiple lines.
• Outline now works with holes.
• Allow multiple files to be loaded from the commandline.