code: function( text, index, character ) {
  			if(text && text.length > index){
  			   return text.substr(0, index) + character + text.substr(index+character.length);
  			}else{
  				return text;
  			}
  		}
docs: replaces a character in text
  
  @param  {String} text
  @param  {Int} index
  @param  {String} character
  @return {String}