Updated .gitignore

.travis.yml

@@ -1,10 +1,22 @@
 language: php
 
+sudo: false
+
+cache:
+  directories:
+  - vendor
+
 php:
   - 5.4
   - 5.5
   - 5.6
+  - 7.0
   - hhvm
+  
+matrix:
+  allow_failures:
+    - php: 7.0
+  fast_finish: true
 
 install:
   - travis_retry composer install --no-interaction --prefer-source
@@ -41,4 +53,4 @@ notifications:
       - https://webhooks.gitter.im/e/7de0ca12596cd5268f30
     on_success: always  # options: [always|never|change] default: always
     on_failure: always  # options: [always|never|change] default: always
-    on_start: false     # default: false
+    on_start: false     # default: false