[issue21076] Turn signal.SIG* constants into enums

[Giampaolo Rodola']

Changes by Giampaolo Rodola' <g.rodola at gmail.com>:


Added file: http://bugs.python.org/file34637/signals.patch

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21076>
_______________________________________