code: function clipLeft(input, width, prefix){
      prefix = prefix || "...";
      if (input.length > width){
          return prefix + input.slice(-(width - prefix.length));
      } else {
          return input;
      }
  }
docs: returns the input string clipped from the left side in order to meet the specified `width`
  @param {string} - input string to repeat
  @param {number} - the desired final width
  @param [prefix=...] {string} - the prefix to replace the clipped region
  @returns {string}
  @alias module:string-tools.clipLeft