minor #18 Update .travis.yml (andreybolonin)

This PR was merged into the 1.0-dev branch.

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Update .travis.yml

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c4442a0 Update .travis.yml

Author: sroze

.travis.yml

@@ -9,6 +9,7 @@ cache:
 matrix:
   include:
     - php: '7.1'
+    - php: '7.2'
 
 before_install:
   - phpenv config-rm xdebug.ini || echo "xdebug not available"