Drop Node 6, prep for new major (#30)

Author: mcollina

.travis.yml

@@ -1,10 +1,10 @@
 language: node_js
 
 node_js:
+  - "13"
   - "12"
   - "10"
   - "8"
-  - "6"
 
 services:
   - msyql

README.md

@@ -5,10 +5,6 @@
 Fastify MySQL connection plugin, with this you can share the same MySQL connection pool in every part of your server.
 Under the hood the [mysql2](https://github.com/sidorares/node-mysql2) is used, the options that you pass to `register` will be passed to the MySQL pool builder.
 
-**Disclaimer:**
-**`MySQL 8.x` databases are not compatible !** This plugin is compatible with `MySQL 5.5.x`, `MySQL 5.7.x` and `MariaDB` databases.
-
-
 ## Install
 ```
 npm i fastify-mysql --save

package.json

@@ -6,8 +6,10 @@
   "scripts": {
     "test": "standard && tap test/*.test.js",
     "mariadb": "docker run -d -p 3306:3306 -e MYSQL_ALLOW_EMPTY_PASSWORD=yes --rm mariadb:10.1",
-    "mysql": "docker run -d -p 3306:3306 -e MYSQL_ALLOW_EMPTY_PASSWORD=yes --rm mysql:5.5",
-    "mysql:5.7": "docker run -d -p 3306:3306 -e MYSQL_ALLOW_EMPTY_PASSWORD=yes --rm mysql:5.7"
+    "mysql": "npm run mysql:8.0",
+    "mysql:5.7": "docker run -d -p 3306:3306 -e MYSQL_ALLOW_EMPTY_PASSWORD=yes --rm mysql:5.7",
+    "mysql:5.5": "docker run -d -p 3306:3306 -e MYSQL_ALLOW_EMPTY_PASSWORD=yes --rm mysql:5.5",
+    "mysql:8.0": "docker run -d -p 3306:3306 -e MYSQL_ALLOW_EMPTY_PASSWORD=yes --rm mysql:8.0"
   },
   "repository": {
     "type": "git",