Merge branch 'develop'

Author: nasrulhazim

.travis.yml

@@ -1,14 +1,12 @@
 language: php
 
 php:
-  - 7.0
   - 7.1
   - 7.2
 
 before_script:
   - travis_retry composer self-update
-  - travis_retry composer install
+  - travis_retry composer update --prefer-source --no-interaction --dev
 
 script:
-  - composer dumpautoload -o
-  - vendor/bin/phpunit
+  - vendor/bin/phpunit -v --coverage-text --colors=never --stderr