various fixes to darcs conversion script 1. removed files were missed 2. hidden files in top directory were not added/removed correctly 3. suppressed spurious warning on adding new files. 4. hg changeset now checked in with original author and date 5. __file__ not supported by pdb.py

#!/bin/sh

mkdir t
cd t
hg init
echo a > a
hg add a
hg commit -m test -d "1000000 0"
hg history
hg manifest
hg cat a
hg verify