[Python] BitShares Library and Tools

[xeroc]

RPC connections made easy:
* https://github.com/xeroc/python-bitsharesrpc

Some low level BitShares tools to enable coldstorage and other nasty crypto stuff:
* https://github.com/xeroc/python-bitsharestools

Tools for delegates and ordinary users (like coldstorage, offline voting and price feeds)
* https://github.com/xeroc/bitshares-pytools

More documentation to follow here when I am back from vacation.
Have made some improvements that I will publish when ready.