Merge pull request #117 from pycompression/simplify

Remove CPython autogenerated parser code and heap types

Author: rhpvorderman

CHANGELOG.rst

@@ -31,7 +31,6 @@ that PyPy is no longer supported.
   faster.
 + igzip.decompress has 30% less overhead when called.
 + ``isal_zlib`` functions now raise ``isal_zlib.error`` on error.
-  ``isal_zlib.IsalError`` has been removed.
 + The base class for ``isal_zlib.error`` and ``igzip_lib.IsalError`` is now
   ``Exception`` instead of ``OSError``.
 + GzipReader now uses larger input and output buffers (128k) by default and