Refactored get_exception_info() to return struct of python objects instead of tuple
Added function to convert Python traceback into C++ data structure. Extracted clear_python_error fixture for reuse in other tests. Adapted wscript files to use recursive globbing.
Merge pull request #9 from MathMagique/master

Added python_version() function + struct
Merge branch 'master' of github.com:/abingham/boost_python_exception