Merge pull request #29 from spinen/develop

Add PHP 7.4 to travis

Author: ssfinney

.travis.yml

@@ -13,6 +13,9 @@ matrix:
     - php: 7.3
     - php: 7.3
       env: SETUP=lowest
+    - php: 7.4
+    - php: 7.4
+      env: SETUP=lowest
 
 sudo: false