code: function spaces(arg1, arg2) {
      var l, builder = [];
      if(arg1.constructor === Number) {
          l = arg1;
      } else {
          if(arg1.length == arg2) return arg1;
          l = arg2 - arg1.length;
          builder.push(arg1);
      }
      while(l-- > 0) builder.push(' ');
      return builder.join('');
  }
docs: Appends spaces to match specified number of chars