Merge pull request #449 from hpyproject/fa/final_0.9_changes

Final changes for stable release 0.9.

Merge pull request #432 from hpyproject/fa/fix_missing_structseq

Add structseq.c to extra sources.

Merge pull request #430 from hpyproject/fa/fix_workflow_cond

Fix workflow condition.

Merge pull request #324 from steve-s/ss/improve-hpy-ext-usability

Minor usability improvements in hpy.universal

Add changelog

add info about author, license and url

hpy.devel is imported also by pypy tests on top of py27, where sys.im…

…plementation does not exist. Take this into account

add description and long_description to setup.py

we now own pypi.org/project/hpy/ so we can rename the distribution. A…

…lso, include hpy.debug

Merge pull request #170 from hpyproject/Type_FromSpec-leak

Fix refleak in ctx_Type_FromSpec