sep2cc 
Transform a char separated string into a camelCase one using a custom separator and accepting unicode chars.
You can modify chars property for customizing the text transformations in your application.
Examples
toCamelCase
'onceuponatime' -> 'onceuponatime'
'once-upon-a-time' -> 'onceUponATime'
'-once-upon-a-time' -> 'OnceUponATime'
'-o-n-c-e -u-p-o-n -a -t-i-m-e' -> 'ONCE UPON A TIME'
'inner-h-t-m-l' -> 'innerHTML'
'-áááá-éééé-íí-óóó' -> 'ÁáááÉéééÍíÓóó'