fixed root directory issue on posixpath.relpath(). (Ported working fixes
from ntpath)

... instead of a char*. Encode the module path to the fileystem encoding
(for PyImport_ExecCodeModuleEx) instead of utf-8.

PyImport_AddModule() returns a borrowed reference. Don't display "import ... #
loaded from Zip ..." on error.

Patch by Sébastien Sablé.  This solves a test_mmap failure on AIX.

Patch from ActiveState.

Patch and tests by Neil Muller.

And not the locale encoding. With this commit, the test finally pass on Windows
with a non-ascii path :-)

encodable to utf-8, not to the file1 encoding.

Tools/gdb/libpython.py.

PyUnicode_AsUTF8String()

instead of utf-8 in strict mode.

PyUnicode_FromString(), to decode the filename.

  a py_decref macro, fixup the pyo macro and reuse it and avoid a memory
  leak introduced by the pylocals macro.
* Adds a note about gdb 7 python debugging support with links for
  more info on that.