2 ? detect branches from remote origin?
3 (no need to pull local branches for non-bare repos).
6 - optimize git_diff_get_stats.
7 - speed up generating files.
10 - simplify writebranches and writetags, just use git_reference_*,
11 it should kill some lines.
14 - make top menu look nicer in links/lynx again.
18 - improve mandoc pages.