Prepare for 1.0 and update dependencies (#187)

* Update dependencies and make tests 1.0 compatible

* Use official warn hook

* Test dynamic imports are resolved

.eslintrc

@@ -1,7 +1,7 @@
 {
     "rules": {
         "indent": [ 2, "tab", { "SwitchCase": 1 } ],
-        "quotes": [ 2, "single", { allowTemplateLiterals: true } ],
+        "quotes": [ 2, "single", { "allowTemplateLiterals": true } ],
         "semi": [ 2, "always" ],
         "keyword-spacing": [ 2, { "before": true, "after": true } ],
         "space-before-blocks": [ 2, "always" ],

.travis.yml

@@ -1,8 +1,8 @@
 language: node_js
 node_js:
-  - "4"
   - "6"
-  - "stable"
+  - "8"
+  - "10"
 env:
   global:
     - BUILD_TIMEOUT=10000