Fixed command box css
Make command argument object from array
Implemented continuous hint mode
Splitted command in first is a command and rest is arguments
Added continuous hint mode key bind to default options
Changed default key bind key from key_bind to default_key_bind
Extend default_key_bind and key bind in options
Changed invoking way of command
Added role condition in xpath
Recreate all hints if hint mode is continuously
Detect also element that has class name contained 'button' string
Merge pull request #9 from tkengo/continuous-hint-mode

Implemented continuous hint mode