Merge branch 'issue-13' into develop

Close #13

.gitattributes

@@ -0,0 +1,9 @@
+/.gitattributes export-ignore
+/.gitignore export-ignore
+/.travis.yml export-ignore
+/phpcs.xml.dist export-ignore
+/phpmd.xml export-ignore
+/phpunit.xml.dist export-ignore
+/puppet export-ignore
+/test export-ignore
+/Vagrantfile export-ignore

.travis.yml

@@ -0,0 +1,11 @@
+language: php
+php:
+    - 7.0
+    - 7.1
+    - 7.2
+
+install:
+    - composer install
+
+script:
+    - composer test

composer.json

@@ -10,9 +10,14 @@
         "illuminate/support": "^5.5"
     },
     "require-dev": {
-        "phpunit/phpunit": "^6.3",
+        "doctrine/instantiator": "^1.0",
         "illuminate/container": "^5.5",
-        "illuminate/contracts": "^5.5"
+        "illuminate/contracts": "^5.5",
+        "jakub-onderka/php-parallel-lint": "^0.9",
+        "phpmd/phpmd": "^2.6",
+        "phpunit/phpunit": "^6.3",
+        "sebastian/phpcpd": "^3.0",
+        "squizlabs/php_codesniffer": "^2.8"
     },
     "autoload": {
         "psr-4": {
@@ -27,6 +32,15 @@
             "IlluminateTest\\Romans\\": "test/"
         }
     },
+    "scripts": {
+        "test": [
+            "parallel-lint src",
+            "phpunit",
+            "phpcpd src",
+            "phpmd src text phpmd.xml",
+            "phpcs"
+        ]
+    },
     "extras": {
         "branch-alias": {
             "dev-develop": "1.0.x-dev"