* Stub: asyncore.pyi
I can't really test this stub since I don't use this module. I believe it's not far from the real thing.
It's based on the source code and not on the documentation.
https://hg.python.org/cpython/file/default/Lib/asyncore.py
* Option ->Optional
* add hint to count, remove addr
* make read/write explicit functions
* add synchat.pyi, move to 2and3
* change sys.version_info test
* try reversing the syntax