Pysyncobj

* Network layer refactored
* Fixed readonly node diconnection
* Fixed replicated lock acquiring
* Monotonic time implemented

* Added distributed queue battery
* Fixed log compaction time splitting for python3

* Fixed windows support

- [Zero downtime deploy](https://github.com/bakwc/PySyncObj/wiki/Zero-downtime-deploy)
- Added IPv6 suport
- Leader fallback to folower if couldn't reach for majority of a cluster for a long time
- Added `onStateChanged` callback (it will be triggered when node becomes follower / candidate / leader)
- Fixed bug in dynamic membership changes

_Few minur bugfixes_:
- fixed sample from `README.md`
- fixed `syncobj_admin` `status` command
- fixed `syncobj_admin` connection errors and unhandled exceptions

- Improved python3 support (47 using same code in py2 and py3 instead of running 2to3 and maintaining two copies)
- Added ability to mix python2 and python3 nodes in the same cluster (49)
- Added ability to mix nodes with in-memory and on-disk serialization (49)
- Added multiple consumers support (53)
- Improved sync/async usage (54)
- Added ["batteries"](https://github.com/bakwc/PySyncObj#batteries) - set of useful built-in distributed data structures (55)