Try the CGAL EPEC kernel for 3D operations
Merge branch 'master' into epec-kernel
Merge branch 'master' into epec-kernel

Conflicts:
	src/PolySetCGALEvaluator.cc
Update func.cc

Fix for https://github.com/openscad/openscad/issues/322
Added testcase for #322
Support lookup tables with one element, final fix of #322
Put back lex/yacc - we're not using any bison-specific stuff after all
wops, duplicate parser files
Quick feasibility test for #304
Initial code to support scaling of linear_extrude(). Part of Issue #273
Added support for 2D scaling in linear_extrude
Updated test cases to reflect scale argument to linear_extrude (#273)
update to match new mxe. add 'builder' script to automate some stuff
add notes
fix indentation, uncomment cd command, fix reading of username
Merge pull request #361 from openscad/builder

Builder
bugfix: Fixed recursion crash (#346)
Merge branch 'master' of github.com:openscad/openscad
bugfix: messed up parser filenames
Forgot to initialize recursioncount in all constructors