openscad/openscad — pull request #823 by tim-caper (2014-06-04 10:12:12+00:00)
Title: fixup issue 767 & func.cc cleanup

1) fixed last cases of duplicate calls to getArgValue() in builtin_lookup() and instantiate();
2) make sin_degrees() & cos_degrees() separate functions to use in other parts of code;
3) cleaned most of gcc warnings in func.cc