4.1.3 release preparation, update the package and lib/version to 4.1.3. (#284)

Author: awaterma

lib/version.js

@@ -1,2 +1,2 @@
 // generated by genversion
-module.exports = '4.1.2'
+module.exports = '4.1.3'

package.json

@@ -67,7 +67,7 @@
     "RFC6265",
     "RFC2965"
   ],
-  "version": "4.1.2",
+  "version": "4.1.3",
   "homepage": "https://github.com/salesforce/tough-cookie",
   "repository": {
     "type": "git",