darcs2hg.py: import darcs project into mercurial
For now, the tags are not taken into account (so you have to reenter
the tags by hand)
Is there an error message when trying to diff non-existing files?
found: No such file or directory
not: No such file or directory
Is there an error message when trying to add non-existing files?
found: No such file or directory
not: No such file or directory