Merge pull request #143 from renatomarinho/2.x

Version 2.0

.gitignore

@@ -3,3 +3,4 @@
 composer.lock
 phpunit.xml
 vendor
+.phpunit.result.cache

.travis.yml

@@ -1,32 +1,31 @@
 language: php
 
+sudo: false
+
 env:
   global:
     - setup=stable
 
 matrix:
   fast_finish: true
   include:
-    - php: 5.6
-    - php: 5.6
+    - php: 7.2
+    - php: 7.2
       env: setup=lowest
-    - php: 7.0
-    - php: 7.0
+    - php: 7.3
+    - php: 7.3
       env: setup=lowest
-    - php: 7.1
-    - php: 7.1
+    - php: 7.4
+    - php: 7.4
+      env: setup=lowest
+    - php: 8.0
+    - php: 8.0
       env: setup=lowest
-    - php: 7.2
-
-sudo: false
 
 cache:
   directories:
     - $HOME/.composer/cache
 
-before_install:
-  - travis_retry composer self-update
-
 install:
   - if [[ $setup = 'stable' ]]; then travis_retry composer update --prefer-dist --no-interaction --prefer-stable --no-suggest; fi
   - if [[ $setup = 'lowest' ]]; then travis_retry composer update --prefer-dist --no-interaction --prefer-lowest --prefer-stable --no-suggest; fi