Add git-hub cat
Add missing PullRequestReviewCommentEvent type
Add missing event types to log
Change iter_repos to iter_user_repos

iter_repos changed in a backwards incompatible way in github3.py 0.6.0,
so now we use the correct function.
Find newly 'g-h create'd repositories
Some more cleanups in log
Add a security warning on first time use
Fix --issue bug when creating a pull-request
Version 1.16
Merge branch 'master' into debian
New upstream release