Warnings if imaging library has wrong UCS support.
Raise exceptions for unknown errors.
Fail fast if there's an import error on _imaging
Merge pull request #299 from wiredfool/ucs

Fail on all import errors
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Added some missing exif tags
Merge pull request #300 from freyes/add-new-exif-tag-codes

Added some missing exif tags
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Added "*.so" and "docs/_build" to gitignore
Merge pull request #301 from freyes/add-to-gitignore

Added "*.so" and "docs/_build" to gitignore
Update _util.py

Fixing missing import.
Merge pull request #303 from mnowotka/patch-1

Update _util.py
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Fix for #304: test for `str`, not `"utf-8"`.

The code wants to produce a `str` object for the given Python version (which is the right thing to do here).
Merge pull request #306 from mjpieters/master

Fix for #304: test for `str`, not `"utf-8"`.
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Add RGBA support to ImageColor
Fix imagecolor test issue
Added IGNORE_DECODING_ERRORS flag to ImageFile allowing corrupted images to load
Merge pull request #311 from cezarsa/master

Added IGNORE_DECODING_ERRORS flag to ImageFile allowing corrupted images to load
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