First draft of netstring support

It is ugly, it probably doesn't work in most cases, but it's a beginning. Tests will follow after
some cleaning up.
Cleanup plus documentation of netstring client
Fix logging
Better representation of errors
Decode the response in netstring client
Client: added support for basic HTTP authentication via credentials
TODOs for future work
Merge commit 'ee647b883456a4685a1166685e711768ebb78ba4'

Conflicts:
	fastjsonrpc/client.py
Examples how to use HTTP authentization
Raise exception in case of authorization error
Add docstring for _getBasicHTTPAuthHeaders method
Fix PEP-8 errors
Basic tests for HTTP auth
Version bump
Development status: beta - we can consider fastjsonrpc reasonably stable
Update README to current project state
Explain why only basic HTTP auth
Version bump (for PyPI)
Merge branch 'master' into netstring

Conflicts:
	fastjsonrpc/client.py
Fix errors in JSON parsing with cjson