Include 3.2 and php 5.6 in tests

.travis.yml

@@ -1,24 +1,23 @@
-language: php 
+language: php
+
 php: 
  - 5.3
- - 5.4
 
 sudo: false
 
 env:
- - DB=MYSQL CORE_RELEASE=3.0
+ - DB=MYSQL CORE_RELEASE=3.1
- - DB=MYSQL CORE_RELEASE=3
- - DB=PGSQL CORE_RELEASE=3
- - DB=SQLITE CORE_RELEASE=3
 
 matrix:
-  exclude:
+  include:
     - php: 5.4
-      env: DB=PGSQL CORE_RELEASE=3
+      env: DB=PGSQL CORE_RELEASE=3.2
     - php: 5.4
-      env: DB=SQLITE CORE_RELEASE=3
+      env: DB=SQLITE CORE_RELEASE=3.2
-    - php: 5.4
+    - php: 5.5
-      env: DB=MYSQL CORE_RELEASE=3.0
+      env: DB=MYSQL CORE_RELEASE=3
+    - php: 5.6
+      env: DB=MYSQL CORE_RELEASE=3.2
 
 before_script:
  - pear -q install --onlyreqdeps pear/PHP_CodeSniffer