+ Decide about min Python version: 2.3
- Add a check for min Python version
+ Double-check whether we still need the True, False = 1, 0 thingy.
- Print nicer tracebacks from Python errors in generators.
+ Honor existing linebreak characters in the source files.
    Well, actually, just made it possible to do \n on windows!
+ Change from .cmd files to Makefile.
- Test for real on Mac and Linux.
