Don't use utc time, it adds an extra month if server is not in utc
Bar graph support
Refactored leader board use event collections
Fixed bug with limiting events at end month
Only take created date into account for pulls

I'll do open/closed separate counts eventually,
but for now its confusing
Fixed Github API usage in pulls()

Was sending wrong query params to API,
resulting in the filtering to be ignored
Showing pulls as bar charts

Abusing the series graph type here because
for some reason I can't get the Graph type to work
with renderer: "bar"
NEW 30 day periods in leader board

More meaningful value than last month, which resets on the first