Added to .gitignore, changed some types
# Please enter the commit message for your changes. Lines starting
# with '#' will be kept; you may remove them yourself if you want to.
# An empty message aborts the commit.
# On branch master
# Your branch is up-to-date with 'origin/master'.
#
# Changes to be committed:
#	modified:   .gitignore
#	modified:   datatypes.h
#
# Untracked files:
#	asyncio.c
#	asyncio.h
#	lib/
#