FEATURE: Add further TYPO3 versions to travis tests

* As they will fail at the moment, we mark them so
* Still they will show us how many tests will fail and how much work
  project 1 will have.

.travis.yml

@@ -17,19 +17,37 @@ env:
     - typo3DatabasePassword=""
   matrix:
     - TYPO3_VERSION="~6.2"
+    - TYPO3_VERSION="~7.6"
+    - TYPO3_VERSION="~8"
+    - TYPO3_VERSION="dev-master"
 
 matrix:
   fast_finish: true
   exclude:
     # TYPO3 no longer supports 5.6
+    - env: TYPO3_VERSION="~7.6"
+      php: 5.6
+    - env: TYPO3_VERSION="~8"
+      php: 5.6
     - env: TYPO3_VERSION="dev-master"
       php: 5.6
     # There is some error with 6.2 and 7 not finding the "UnitTestsBootstrap.php"
+    # See: https://github.com/DanielSiepmann/search_core/issues/4
     - env: TYPO3_VERSION="~6.2"
       php: 7.0
     - env: TYPO3_VERSION="~6.2"
       php: 7.1
   allow_failures:
+    # 7 and 8 are not working due to current relation resolving.
+    # See: https://github.com/DanielSiepmann/search_core/projects/1
+    - env: TYPO3_VERSION="~7.6"
+      php: 7.0
+    - env: TYPO3_VERSION="~7.6"
+      php: 7.1
+    - env: TYPO3_VERSION="~8"
+      php: 7.0
+    - env: TYPO3_VERSION="~8"
+      php: 7.1
     - env: TYPO3_VERSION="dev-master"
       php: 7.0
     - env: TYPO3_VERSION="dev-master"