Cleanups for repo.pull
Use repo.pull in pull and clone commands
Teach clone about ssh:// (temporarily)
Fix up shutil issue on failed pull
+ hg clone http://localhost:20059/ copy
requesting all changes
adding changesets
abort: error 111: Connection refused
transaction abort!
rollback completed
+ echo 255
255
+ ls copy
ls: copy: No such file or directory
+ cat
+ python dumb.py
+ sleep 2
+ hg clone http://localhost:20059/foo copy2
requesting all changes
adding changesets
abort: HTTP Error 404: File not found
transaction abort!
rollback completed
+ echo 255
255
+ set +x