Dtool

--------------------

Fixed
^^^^^

- Fixed defect arising when readme contained unicode characters

--------------------

Fixed
^^^^^

- Fixed issue with broken temporary files in the cache preventing fetching of
an item

--------------------

Added
^^^^^

- Add writing of admin_metadata as content of admin_metadata_key
- Added ``storage_broker_version`` to structure parameters
- Added inheritance from ``dtoolcore.storagebroker.BaseStorageClass``
- Overrode ``get_text`` method on ``BaseStorageBroker`` class
- Overrode ``put_text`` method on ``BaseStorageBroker`` class
- Overrode ``get_admin_metadata_key`` method on ``BaseStorageBroker`` class
- Overrode ``get_readme_key`` method on ``BaseStorageBroker`` class
- Overrode ``get_manifest_key`` method on ``BaseStorageBroker`` class
- Overrode ``get_overlay_key`` method on ``BaseStorageBroker`` class
- Overrode ``get_structure_key`` method on ``BaseStorageBroker`` class
- Overrode ``get_dtool_readme_key`` method on ``BaseStorageBroker`` class
- Overrode ``get_size_in_bytes`` method on ``BaseStorageBroker`` class
- Overrode ``get_utc_timestamp`` method on ``BaseStorageBroker`` class
- Overrode ``get_hash`` method on ``BaseStorageBroker`` class

--------------------

Fixed
^^^^^

- Made dtool-irods Python 3 compatible
- Made download to DTOOL_IRODS_CACHE_DIRECTORY more robust

--------------------

Fixed
^^^^^

- Fixed issue arising from a file being put into iRODS and the connection
breaking before the appropriate metadata could be set on the file in iRODS.
See also: https://github.com/jic-dtool/dtool-irods/issues/7

--------------------

Added
^^^^^

- Writing of ``.dtool/structure.json`` file to the IrodsStorageBroker; a file
for describing the structure of the dtool dataset in a computer readable format
- Writing of ``.dtool/README.txt`` file to the IrodsStorageBroker; a file
for describing the structure of the dtool dataset in a human readable format


Changed
^^^^^^^

- Make use of version 3 of the dtoolcore API. Specifically making use of the
new ``base_uri`` argument that replaces ``prefix`` in the ``list_dataset_uri``
and ``generate_uri`` class methods.