- allow TLS > 1.0 with python >= 2.7.9 - tune ssl_context with python >= 2.7.9
- fixes errors introduced in the earlier refactoring - more variables moved to state.py - path finding functions moved to paths.py - remembers IPv6 network unreachable (in the future can be used to skip IPv6 for a while)
- generic class the new asyncore-based network subsystem that handles buffered data transfer
- current snapshot of the new network backend code - not working yet, just base classes and no integration