2.x final updates (#33)

update readme and set max node version

Author: jamesdixon

.travis.yml

@@ -3,6 +3,7 @@ node_js:
   - '8'
   - '9'
   - '10'
+  - '11'
 
 sudo: required
 

README.md

@@ -12,6 +12,15 @@ Under the hood, the plugin uses [bcrypt](https://en.wikipedia.org/wiki/Bcrypt) f
 ### Yarn
 `yarn add objection-password`
 
+## Version Compatibility
+
+| Node Version   |   Plugin Version  |
+| -------------- | ------------------|
+| < 12           | 2.x               |
+| >= 12          | >= 3.x            |
+
+If you're using Node 12 or greater, use version `3.x` of the plugin as it contains `bcrypt 5.x`, which contains important security updates but is only compatible with Node 12+. It's also tested against Objection 2.x.
+
 ## Usage
 
 ### Hashing your data

package.json

@@ -1,8 +1,11 @@
 {
   "name": "objection-password",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "Automatic bcrypt hashing for Objection.js",
   "main": "index.js",
+  "engines": {
+    "node": "< 12.0.0"
+  },
   "scripts": {
     "test": "ava"
   },