diff --git a/ChangeLog b/ChangeLog
index 0fb4352..ee68c16 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,18 @@
+2017.07.14, v2.1.0
+
+fix:
+- (travis) codestyle -> lint
+
+feature:
+- (nessy) add ability to use custom divider
+- (package) minify v3.0.0
+- (package) nyc v11.0.2
+- (package) browserify v14.0.0
+- (package) nyc v10.0.0
+- (travis) node_js: 6, 7
+- (package) nyc v9.0.1
+
+
 2016.11.03, v2.0.0
 
 feature:
diff --git a/dist/nessy.es6.js b/dist/nessy.es6.js
index 406b8d6..ca9c8a3 100644
--- a/dist/nessy.es6.js
+++ b/dist/nessy.es6.js
@@ -1,14 +1,17 @@
 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.nessy = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({"nessy":[function(require,module,exports){
 'use strict';
 
-module.exports = (selector, value, obj) => {
-    obj = obj || {};
+module.exports = (selector, value, divider, obj) => {
+    if (!obj) {
+        obj = divider || {};
+        divider = '.';
+    }
     
     const result = obj;
     
     check(selector);
     
-    selector.split('.')
+    selector.split(divider)
         .forEach((name, i, arr) => {
             if (i === arr.length - 1)
                 obj[name] = value;
diff --git a/dist/nessy.js b/dist/nessy.js
index 88ec53a..7402d9e 100644
--- a/dist/nessy.js
+++ b/dist/nessy.js
@@ -1,14 +1,17 @@
 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.nessy = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({"nessy":[function(require,module,exports){
 'use strict';
 
-module.exports = function (selector, value, obj) {
-    obj = obj || {};
+module.exports = function (selector, value, divider, obj) {
+    if (!obj) {
+        obj = divider || {};
+        divider = '.';
+    }
 
     var result = obj;
 
     check(selector);
 
-    selector.split('.').forEach(function (name, i, arr) {
+    selector.split(divider).forEach(function (name, i, arr) {
         if (i === arr.length - 1) obj[name] = value;else if (!obj[name]) obj[name] = {};
 
         obj = obj[name];
diff --git a/dist/nessy.min.js b/dist/nessy.min.js
index 14588ee..c41c3ba 100644
--- a/dist/nessy.min.js
+++ b/dist/nessy.min.js
@@ -1 +1 @@
-!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var n;n="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,n.nessy=e()}}(function(){return function e(n,r,t){function o(i,u){if(!r[i]){if(!n[i]){var s="function"==typeof require&&require;if(!u&&s)return s(i,!0);if(f)return f(i,!0);var d=new Error("Cannot find module '"+i+"'");throw d.code="MODULE_NOT_FOUND",d}var c=r[i]={exports:{}};n[i][0].call(c.exports,function(e){var r=n[i][1][e];return o(r?r:e)},c,c.exports,e,n,r,t)}return r[i].exports}for(var f="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}({nessy:[function(e,n,r){"use strict";function t(e){if("string"!=typeof e)throw Error("selector should be string!")}n.exports=function(e,n,r){r=r||{};var o=r;return t(e),e.split(".").forEach(function(e,t,o){t===o.length-1?r[e]=n:r[e]||(r[e]={}),r=r[e]}),o}},{}]},{},["nessy"])("nessy")});
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).nessy=e()}}(function(){return function e(n,r,t){function o(i,u){if(!r[i]){if(!n[i]){var s="function"==typeof require&&require;if(!u&&s)return s(i,!0);if(f)return f(i,!0);var d=new Error("Cannot find module '"+i+"'");throw d.code="MODULE_NOT_FOUND",d}var c=r[i]={exports:{}};n[i][0].call(c.exports,function(e){var r=n[i][1][e];return o(r||e)},c,c.exports,e,n,r,t)}return r[i].exports}for(var f="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}({nessy:[function(e,n,r){"use strict";function t(e){if("string"!=typeof e)throw Error("selector should be string!")}n.exports=function(e,n,r,o){o||(o=r||{},r=".");var f=o;return t(e),e.split(r).forEach(function(e,r,t){r===t.length-1?o[e]=n:o[e]||(o[e]={}),o=o[e]}),f}},{}]},{},["nessy"])("nessy")});
diff --git a/package.json b/package.json
index adcd920..0e0273a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nessy",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "set value in nested object",
   "main": "lib/nessy.js",
   "scripts": {