Fix esdoc generation

Author: lutovich

package.json

@@ -27,8 +27,8 @@
     "babel-register": "^6.18.0",
     "babelify": "^7.3.0",
     "browserify": "^13.1.0",
-    "esdoc": "^0.4.0",
-    "esdoc-importpath-plugin": "0.0.1",
+    "esdoc": "^0.5.2",
+    "esdoc-importpath-plugin": "^0.1.1",
     "fs-extra": "^1.0.0",
     "glob": "^5.0.14",
     "gulp": "^3.9.1",

src/v1/driver.js

@@ -127,7 +127,7 @@ class Driver {
    * We don't pool Session instances, to avoid users using the Session after they've called close.
    * The `Session` object is just a thin wrapper around Connection anyway, so it makes little difference.
    * @param {Promise} connectionPromise - promise resolved with the connection.
-   * @return {function(*=)} - function that releases the connection and then executes an optional callback.
+   * @return {function(callback: function)} - function that releases the connection and then executes an optional callback.
    * @protected
    */
   _releaseConnection(connectionPromise) {