python binding: - update to dyncall 1.1 - Python 3 support (supports both, Python 2 and 3) - using the Capsule API over PyCObject, when available - support for python unicode strings (for both, Python 2 and 3) - doc cleanup ruby binding: - doc cleanup

win32   demonstrates a win32 message box
darwin  demonstrates a darwin specific example
w32PlaySound	PlaySound on Win32 using dyn.load facility
linux   demonstrates a linux specific example