4 - allow multiple stylesheets
6 - styles/{default,...}.css
7 - could show some statistics from last year, month, etc... pisg-like?
14 - (T) Hour of Week: percentages / coloring?
19 - Position by nrof commits
28 - Average revisions per file
29 - (G) Average file size: x = date, y = lines/file
31 - (T) Files With Most Revisions?
35 - (G) Lines of Code: show tags as vertical lines?
39 - Authors (count of people contributing after last version)?
41 - Author page for each author
47 - Activity by Clock Time
50 - (T) Activity in Directories: Directory, Changes, LOC, LOC/change
51 - (Most Recent Commits?)