make all commands be repo-wide by default - refactor code in commands.py so that: if no pattern is given, the command will be repo-wide else it will work on the working dir - update the doc - fix the tests

#!/bin/sh

hg init a
cd a
echo a > foo
hg add foo
hg commit -m 1 -d "0 0"
rm foo
hg remove foo
hg commit -m 2 -d "0 0"

cd ..
hg clone a b