- added CMake build system (autotools build to be phased out in a next release)
- autotools-related fixes
- Python 3 compatibility in Makefiles and genstencils.py
- fixing compilation issue for BZ_DECLARE_FUNCTION (SF issue no. 51)
- fixing apparent typo-bug in expr.h (SF bug no. 59)
- some code cleanups (namespace related macros, etc)
Big thanks to Theodore Papadopoulo for contributing the CMake build!