Merge pull request stechstudio#6 from konsulting/travis-php-72

Change PHP versions on Travis

Author: bubba-h57

.travis.yml

@@ -1,9 +1,8 @@
 language: php
 
 php:
-  - 5.6
-  - 7.0
-  - 7.1
+  - 7.2
+  - 7.3
 
 sudo: false
 
@@ -20,4 +19,4 @@ install:
 script: vendor/bin/phpunit
 
 after_success:
-  - travis_retry php vendor/bin/coveralls -v
+  - travis_retry php vendor/bin/coveralls -v