Merge pull request #1231 from NatLibFi/issue1170-rest-fatal-error-voc…

…ab-id-not-found

Avoid uncaught fatal errors in REST API if vocabulary ID not found

rest.php

@@ -44,7 +44,7 @@
         $vocab = $parts[1];
         try {
             $request->setVocab($parts[1]);
-        } catch (Exception $e) {
+        } catch (Exception | ValueError $e) {
             header("HTTP/1.0 404 Not Found");
             header("Content-type: text/plain; charset=utf-8");
             echo ("404 Not Found : Vocabulary id '$parts[1]' not found.");