python-gevent: new package

gevent is a coroutine-based Python networking library that uses greenlet
to provide a high-level synchronous API on top of the libevent event
loop.

Run tested.
python-pyodbc: new package

The pyodbc module enables python programs to connect to almost any
database using ODBC.

Build and "import pyodbc" tested, but I haven't tried connecting to any
database yet.
python-construct: new package

Construct is a powerful declarative parser (and builder) for binary
data.

Run tested.
python-bitstring: new package

bitstring is a python module for binary data manipulation.

Run tested.
Merge pull request #729 from bjornfor/python-modules

Add some Python modules (gevent, pyodbc, construct, bitstring)