Hg issue 240: Unable to build the project from source on OSX with PyPy3.5-5.7.1-beta
Needed to compensate for the differences between CPython and PyPy.
2017.4.6
Hg issue 236: Incorrect references to bugs.python.org issues
2017.2.8
Not secure
Failed to build on AIX using xlc because FALSE and TRUE were already define'd. Replaced enum {FALSE, TRUE} with define's.
2017.1.17
Not secure
Hg issue 230: Is it a bug of (?(DEFINE)...)
Capture groups in (?(DEFINE)...) shouldn't be treated as 'visible' capture groups by .findall.
2017.1.14
Not secure
Hg issue 227: Performance trap of (?V1i) flags
Further improvements. It now tries to split full case-folded literals into simple and full case-folded literals where full case-folding isn't needed because simple case-folding is faster.