put comments, url in version.txt. Guess date from manifest revision as
well as the other way around.
start using Git::Repository and remove chdir() calls
Git::ify harder
minor fixes
cleanup; move code into the new classes
cleanup; utility functions; rename ->run to ->git
more cleanup: prepare for a unified diff function
cleanup Repository->new
various minor cleanup/fixes
cleanup/consistency
minor fix
cleanup/minor fixes
handle the undefined case in git_inter_diff
cleanup, minor fixes
rm dead code
store Repository in items
minor fix
use item repository
use item repository
avoid a chdir