Merge branch 'hotfix/50' into develop

Forward port #50

Author: heiglandreas

.coveralls.yml

@@ -1,3 +1,2 @@
 coverage_clover: clover.xml
 json_path: coveralls-upload.json
-src_dir: src

.travis.yml

@@ -48,7 +48,6 @@ matrix:
     - php: 5.6
       env:
         - DEPS=locked
-        - TEST_COVERAGE=true
         - DEPLOY_DOCS="$(if [[ $TRAVIS_BRANCH == 'master' && $TRAVIS_PULL_REQUEST == 'false' ]]; then echo -n 'true' ; else echo -n 'false' ; fi)"
         - PATH="$HOME/.local/bin:$PATH"
     - php: 5.6
@@ -61,6 +60,16 @@ matrix:
       env:
         - DEPS=locked
     - php: 7
+      env:
+        - TEST_COVERAGE=true
+        - DEPS=latest
+    - php: 7.1
+      env:
+        - DEPS=lowest
+    - php: 7.1
+      env:
+        - DEPS=locked
+    - php: 7.1
       env:
         - DEPS=latest
     - php: hhvm