shell/tash_command : Handle '!' cases in tash
shell/tash_command : Handle '!' cases in tash

1) If the last character in buff is '!', it will be handled as character, not history command.
2) If there is no number after '!' and '!' is not the last, returns ERROR.

sunghan-chang/TizenRT,Samsung/TizenRT,pillip8282/TizenRT,sunghan-chang/TizenRT,jsdosa/TizenRT,an4967/TizenRT,jsdosa/TizenRT,jeongchanKim/TizenRT,jeongchanKim/TizenRT,pillip8282/TizenRT,jeongarmy/TizenRT,jsdosa/TizenRT,jsdosa/TizenRT,sunghan-chang/TizenRT,jeongarmy/TizenRT,pillip8282/TizenRT,jeongarmy/TizenRT,Samsung/TizenRT,an4967/TizenRT,jeongarmy/TizenRT,junmin-kim/TizenRT,an4967/TizenRT,Samsung/TizenRT,Samsung/TizenRT,jeongarmy/TizenRT,jsdosa/TizenRT,sunghan-chang/TizenRT,sunghan-chang/TizenRT,junmin-kim/TizenRT,jeongchanKim/TizenRT,jeongarmy/TizenRT,jsdosa/TizenRT,an4967/TizenRT,junmin-kim/TizenRT,jeongchanKim/TizenRT,sunghan-chang/TizenRT,an4967/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,sunghan-chang/TizenRT,pillip8282/TizenRT,pillip8282/TizenRT,jeongarmy/TizenRT,pillip8282/TizenRT,an4967/TizenRT,junmin-kim/TizenRT,pillip8282/TizenRT,Samsung/TizenRT,jsdosa/TizenRT,jeongchanKim/TizenRT,junmin-kim/TizenRT,junmin-kim/TizenRT,junmin-kim/TizenRT,jeongchanKim/TizenRT,Samsung/TizenRT,Samsung/TizenRT