- [NEW] Added functionality to test if a key is in a database as in `…

…key in db`, overriding dict `__contains__` and checking in the remote database.

- [NEW] Moved `create_query_index` and other query related methods to `CouchDatabase` as the `_index`/`_find` API is available in CouchDB 2.x.
- [NEW] Support IAM authentication in replication documents.
- [FIXED] Case where `Document` context manager would throw instead of creating a new document if no `_id` was provided.
- [IMPROVED] Added support for IAM API key in `cloudant_bluemix` method.
- [IMPROVED] Shortened length of client URLs by removing username and password.
- [IMPROVED] Verified library operation on Python 3.6.3.

- [FIXED] Installation failures of 2.8.0 caused by missing VERSION fi…

…le in distribution.

- [NEW] Added support for `/_search_disk_size` endpoint which retriev…

…es disk size information for a specific search index.

- [FIXED] Updated default IBM Cloud Identity and Access Management token URL.
- [REMOVED] Removed broken source and target parameters that constantly threw `AttributeError` when creating a replication document.

Merge pull request cloudant#336 from cloudant/prepare-2.7.0-release

Prepare for 2.7.0 release

2.6.0 (2017-08-10)

- [NEW] Added ``Cloudant.bluemix()`` class method to the Cloudant client allowing service credentials to be passed using the CloudFoundry VCAP_SERVICES environment variable.
- [FIXED] Fixed client construction in ``cloudant_bluemix`` context manager.
- [FIXED] Fixed validation for feed options to accept zero as a valid value.

2.5.0 (2017-07-06)

[FIXED] Fixed crash caused by non-UTF8 chars in design documents.
[FIXED] Fixed TypeError when setting revision limits on Python>=3.6.
[FIXED] Fixed the exists() double check on client.py and database.py.
[FIXED] Fixed Cloudant exception code 409 with 412 when creating a database that already exists.
[FIXED] Catch error if throw_on_exists flag is False for creating a document.
[FIXED] Fixed /_all_docs call where keys is an empty list.
[FIXED] Issue where docs with IDs that sorted lower than 0 were not returned when iterating through _all_docs.

2.4.0 (2017-02-14)

==================
- [NEW] Added ``timeout`` option to the client constructor for setting a timeout on a HTTP connection or a response.
- [NEW] Added ``cloudant_bluemix`` method to the Cloudant client allowing service credentials to be passed using the CloudFoundry VCAP_SERVICES environment variable.
- [IMPROVED] Updated non-response related errors with additional status code and improved error message for easier debugging.
  All non-response error are handled using either CloudantException or CloudantArgumentError.
- [FIXED] Support ``long`` type argument when executing in Python 2.

2.3.1 (2016-11-30)

==================
- [FIXED] Resolved issue where generated UUIDs for replication documents would not be converted to strings.
- [FIXED] Resolved issue where CouchDatabase.infinite_changes() method can cause a stack overflow.

2.3.0 (2016-11-02)

==================
- [FIXED] Resolved issue where the custom JSON encoder was at times not used when transforming data.
- [NEW] Added support for managing the database security document through the SecurityDocument class and CouchDatabase convenience method ``get_security_document``.
- [NEW] Added ``auto_renewal`` option to the client constructor to handle the automatic renewal of an expired session cookie auth.

2.2.0

=====
- [NEW] Added auto connect feature to the client constructor.

- [FIXED] Requests session is no longer valid after disconnect.