Smarter handling of revlog key errors Use RevlogError for reporting exceptions Catch and report RevlogError exceptions at the command parser

Clean up hgweb imports Use demandloading Pull function-local imports up to demandload Scope hg and ui bits

Change grep -e to grep --all We want to reserve -e for future use and grep compatibility. I've changed every-match to all out of a general preference for shorter long option names where short options don't exist.

Fold import -m option into import -f

Revert silly TypeError change

Tighten up clone locking Add a lock on the destination, expand comment on source lock