RecentReplies improved
Comment init improved
* test coverage for comment and steem improved.

* Improve blockchain unittests

* Fix blocks for threaded and batched calls
* add blockchain_version function on steem
* Fix node input on graphenerpc
* Improve benchmark_nodes
* Add unit tests for bateched and threaded blocks calls
* Use https://api.steemit.com as default appbase node

* Fix vote tests
* improved transactionbuilder tests
* Improved detection of MissingRequiredActiveAuthority

Nodes can be given as ,or ; seperated string
is_connected added in steem

All rpc calls are handled with direct api call. Register api was a relict from bitshares.

* Fix unit tests for python 2.7
* Account votes improved for appbase

fix unit test

secp256k1 is faster than cryptography and put first

Try again with secp256k1