fix bash-it running on zh_CN locale

My locale is zh_CN. So there is a bug when I use bash-it in shell. It always say  "oops! XXX is not a valid option!". also i put in the examples. 
i found the difference on my pc.

	± |luw2007 ✓| → type bash-it
	bash-it 是函数
	bash-it () 
	......
"是函数" is Chinese. It meaning is  "this a function" in english.

PS: my locale

	± |luw2007 ✓| → locale
	LANG=zh_CN.utf8
	LC_CTYPE="zh_CN.utf8"
        ...