Flask-iiif

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

- Added missing ``app`` argument for the ``flask_iiif.cache.ImageCache``
constructor.

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

- Removes support for Python 2.7
- Image API specification fixes
- Support both ``gray`` and ``grey`` as valid qualities.
- Rotations are now performed clock-wise.
- No padding added to resized images.
- Better support for image extension conversions (``.tif/.tiff``, ``.jp2``).
- Pillow bumped to v4.0
- Introduced ``IIIF_CACHE_IGNORE_ERRORS`` config variable to allow ignoring
cache access exceptions.
- Changed ``current_iiif.cache`` from a callable function to a Werkzeug
``cached_property``.

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

- Adds Last-Lodified and If-Modified-Since to imageapi
- Removes warning message for LocalProxy
- Fixes werkzeug deprecation warning

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

- Sets Redis cache prefix
- Fixes cache control headers

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

- Fixes syntax error in documentation
- Fixes import sorting

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ Fixes

- wrong ratio calculation for best fit

+ New features

- adds black background to requested best fit thumbnail or gif
if the image does not cover the whole window of requested size