update readme

version bump

README.md

@@ -21,7 +21,7 @@ import {fetch, CookieJar} from "node-fetch-cookies";
 ## Documentation
 
 ### fetch(cookieJar, url, options)
-- `cookieJar` A [CookieJar](#class-cookiejar) instance or an array of CookieJar instances
+- `cookieJar` A [CookieJar](#class-cookiejar) instance, an array of CookieJar instances or null, if you don't want to send or store cookies.
 - `url` and `options` as in https://github.com/bitinn/node-fetch#fetchurl-options
 
 

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "node-fetch-cookies",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "node-fetch-cookies",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "description": "node-fetch wrapper that adds support for cookie-jars",
   "main": "src/index.mjs",
   "engines": {