0.5.0 (2019-07-22)
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Changes since 0.4.4 (2019-05-13).

Special Attention
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* All biocommons packages now require Python >= 3.6. See https://github.com/biocommons/org/wiki/Migrating-to-Python-3.6

New Features
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* `#18 <https://github.com/biocommons/bioutils/issues/18/>`_: Implemented comprehensive sequence normalization (trim, left, right, expand/voca, vcf) [`36785fa <https://github.com/biocommons/bioutils/commit/36785fa>`_] (Reece Hart)
* `#20 <https://github.com/biocommons/bioutils/issues/20/>`_: implement hex-based digests à la refget [`140a20e <https://github.com/biocommons/bioutils/commit/140a20e>`_] (Reece Hart)
* Add support for cytobands, incl data files from UCSC [`0ba4361 <https://github.com/biocommons/bioutils/commit/0ba4361>`_] (Reece Hart)
* Added accessions.py:coerce_namespace() [`e31e592 <https://github.com/biocommons/bioutils/commit/e31e592>`_] (Reece Hart)

Internal and Developer Changes
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* Added pytest-optional-tests; use test alias in Makefile [`ba9b993 <https://github.com/biocommons/bioutils/commit/ba9b993>`_] (Reece Hart)
* Added trinuc normalization tests [`cfe3a68 <https://github.com/biocommons/bioutils/commit/cfe3a68>`_] (Reece Hart)
* Added vcrpy to test requirements [`95893f1 <https://github.com/biocommons/bioutils/commit/95893f1>`_] (Reece Hart)
* Moved source to src/; updated setup.cfg [`ff45fb0 <https://github.com/biocommons/bioutils/commit/ff45fb0>`_] (Reece Hart)
* Removed pip install from tox in favor of deps [`8c8f91a <https://github.com/biocommons/bioutils/commit/8c8f91a>`_] (Reece Hart)
* Renamed doc → docs [`1612e5c <https://github.com/biocommons/bioutils/commit/1612e5c>`_] (Reece Hart)
* Store assemblies as compressed json [`ea79e71 <https://github.com/biocommons/bioutils/commit/ea79e71>`_] (Reece Hart)
* Update tests to use new vcr cassettes on optional tests (much faster!) [`2001745 <https://github.com/biocommons/bioutils/commit/2001745>`_] (Reece Hart)