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`PR 144: Add known_bug_expected and related support <https://github.com/4dn-dcic/utils/pull/144>`_
* In ``misc_utils``:
* Add ``capitalize1`` to uppercase the first letter of something,
leaving other case alone (rather than forcing it lower).
* In ``qa_utils``:
* Add ``known_bug_expected`` to mark situations in testing where
a named bug is expected (one for which there is a JIRA ticket),
allowing managing of the error handling by setting the bug's status
as ``fixed=False`` (the default) or ``fixed=True``.
* In (new module) ``exceptions``:
* ``KnownBugError``
* ``UnfixedBugError``
* ``WrongErrorSeen``
* ``ExpectedErrorNotSeen``
* ``FixedBugError``
* ``WrongErrorSeenAfterFix``
* ``UnexpectedErrorAfterFix``