* README.txt -> README.md: renamed
* dtls/sslconnection.py: Reduce the default MTU in effect while
handshaking to 576, suitable for various path MTUs and PPPoE
* dtls/prebuilt/win32-x86[_64]: Rebuilt with Visual C++ 2008 to
eliminate requirement to install a C++ redistributable package
* dtls/prebuilt/mingw-x86: mingw support is deprecated
* dtls/__init__.py: VERSION introduced
* setup.py: Version incremented to 1.2.0
7a84c71e80