History
-------
+1.5.1 (2018-08-05)
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+
+* Added formal support for Python 3.7
+* Removed formal support for Python 3.3
+
+1.4.3 (2018-06-14)
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+
+* Catch SyntaxError from asyncio import on older versions of Python, thanks to @asottile
+
+1.4.2 (2018-04-08)
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+
+* Really fixed tests, thanks to @pydanny
+
+1.4.1 (2018-04-08)
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+
+* Added conftest.py to manifest so tests work properly off the tarball, thanks to @dotlambda
+* Ensured new asyncio tests didn't break Python 2.7 builds on Debian, thanks to @pydanny
+* Code formatting via black, thanks to @pydanny and @ambv
+
+
+1.4.0 (2018-02-25)
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+
+* Added asyncio support, thanks to @vbraun
+* Remove Python 2.6 support, whose end of life was 5 years ago, thanks to @pydanny
+
+
+1.3.1 (2017-09-21)
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+
+* Validate for Python 3.6
+
+
1.3.0 (2015-11-24)
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-* Added official support for Python 3, thanks to @pydanny
+* Drop some non-ASCII characters from HISTORY.rst, thanks to @AdamWill
+* Added official support for Python 3.5, thanks to @pydanny and @audreyr
* Removed confusingly placed lock from example, thanks to @ionelmc
* Corrected invalidation cache documentation, thanks to @proofit404
+* Updated to latest Travis-CI environment, thanks to @audreyr
1.2.0 (2015-04-28)
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