handle author and committer separately
fix tformat
fix tformat some more
more options, slightly different patch selection
*broken* support for actual merges
--print-range option, might be useful for pulling the right commits
handle multiple parents properly
recursive code for walking the git tree. much faster.
minor fixes
typo
terminology

call paths relative to the directory containing .repo repopath, and
those relative to a git repository gitpath.
fix bug in recursion code
fix bug in recursion code