Improved the dependency graph links
Started working on the statistics page

The dates are now introduced, and there are the same links to the
dependency graphs as on the tag lookup page
Some ideas for the statistics page

Things are static now... And changed table styling.
More statistics on the tag statistics page

We're getting there.
Improved the statistics page
Finished statistics page

At least, what I envisioned to implement for now is implemented. I
should check my notes to see whether there were any other interesting
ideas.