Non linear step increment support about roundslider HOT 2 OPEN

$.fn["roundSlider"].prototype.defaults['customTicks'] = [];

$.fn["roundSlider"].prototype._tooltipValue = function(value, index) {
    var val = this._raise("tooltipFormat", { value: value, "handle": this._handleArgs(index) });
    var ct = this.options.customTicks; 
    if(typeof(ct) !== 'undefined' && ct.length > 0){
      val = this._raise("tooltipFormat", { value: ct[value], "handle": this._handleArgs(index) });
    }
    return (val != null && typeof val !== "boolean") ? val : value;
}

$(".my_custom_ticks_slider").roundSlider({
      sliderType: "min-range",
      value: 1,
      step: 1,
      min: 0,
      max: 8,
      customTicks: [1,2,3,5,8,13,21,34,55]
});