code: function __format(formatString, args) {
      if (formatString === null || formatString === undefined) return [""];
      if (arguments.length == 1) return [formatString.toString()];
  
      if (typeof formatString != "string")
          formatString = formatString.toString();
  
      var pattern = /(.*?)%(.)(.*)/;
      var rest    = formatString;
      var result  = [];
  
      while (args.length) {
          var match = pattern.exec(rest);
          if (!match) break;
  
          var arg   = args.shift();
          rest = match[3];
          result.push(match[1]);
  
          if (match[2] == '%') {
              result.push('%');
              args.unshift(arg);
              continue;
          }
  
          result.push(__formatted(arg, match[2]));
      }
  
      result.push(rest);
  
      var remainingArgs = [].slice.call(args);
      remainingArgs.unshift(result.join(''));
      return remainingArgs;
  }
docs: ------------------------------------------------------------------------------ 
  Formats a string and arguments following it ala vsprintf()
  
  format chars:
  %j - format arg as JSON
  %o - format arg as JSON
  %c - format arg as ''
  %% - replace with '%'
  any other char following % will format it's
  arg via toString().
  
  Returns an array containing the formatted string and any remaining
  arguments.