Oops: forgot a rename from left_to_book to left_to_book_external...
Intermediary commit for new filter mechanism
Using new filter snippet and new filter code.
Added new-style filtering to invoice page
Using new filter mechanism for changesoverview
cleanup
Added a bit of limiting on filters
Added option to show all projects (including archived ones) on a person's page
Updated changelog
Merge pull request #39 from nens/reinout-filters

Reinout filters