Bigchaindb-driver

---------------------
Added
^^^^^
* Added three new methods to send/post a transaction as discussed `here <https://github.com/bigchaindb/bigchaindb/issues/2307>`_:

* ``send_commit``
* ``send_async``
* ``send_sync``

Deprecated
^^^^^^^^^^
* ``send()`` under ``TransactionEndpoint``, and available
via ``BigchainDB.transactions``. Replaced by the above three methods:
``send_commit()``, ``send_async()``, and ``send_sync()``.

---------------------
* `Removed dependencies from BigchainDB Server package <https://github.com/bigchaindb/bigchaindb-driver/pull/411>`_.

---------------------
* `The default mode for sending a transaction is now commit <https://github.com/bigchaindb/bigchaindb-driver/issues/386>`_.
* `The metadata endpoint was added <https://github.com/bigchaindb/bigchaindb-driver/issues/347>`_.
* Support for BigchainDB server v2.0.0a2.

--------------------
There were **many** changes between BigchainDB 1.3 and BigchainDB 2.0 Alpha, too many to list here. We wrote a series of blog posts to summarize most changes, especially those that affect end users and application developers:

* `Some HTTP API Changes in the Next Release <https://blog.bigchaindb.com/some-http-api-changes-in-the-next-release-49612a537b0c>`_.
* `Three Transaction Model Changes in the Next Release <https://blog.bigchaindb.com/three-transaction-model-changes-in-the-next-release-dadbac50094a>`_.

------------------
Fixed
^^^^^
* Handcrafting transactions documentation. `Pull request 312
<https://github.com/bigchaindb/bigchaindb-driver/pull/312>`_.
* Quickstart guide. `Pull request 316
<https://github.com/bigchaindb/bigchaindb-driver/pull/316>`_.

------------------
Added
^^^^^
* Support for BigchainDB server (HTTP API) 1.0.0.