code: function round (float, precision) {
    precision = (precision === undefined ? 10 : precision)
    return parseFloat(float.toFixed(precision), 10)
  }
docs: Rounds `float` value by precision
  @private
  @param {Number} float - value to round
  @param {Number} precision - (int) number of post decimal positions
  @return {Number} rounded `float`