Better debug, no automatic injections
Sending HTML via #send_file
#inject_slim one-liner
Redirect debug message
--aloud option to turn on server messages
#sdebug instead of #debugup

#sdebug is for "shift debug"
--cache option and better Compass plugin
--no-layout to --no-layouts
--error doesn't have shortcut flag, --server option added
--host and --mutex options