dispatch: move command dispatching into its own module
- move command dispatching functions from commands and cmdutil to dispatch
- change findcmd to take a table argument
- remove circular import of commands in cmdutil
- privatize helper functions in dispatch
#!/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 --debug
hg cat a
hg verify