Updated tests and made a temp hack to get resources from a json file.

Change-Id: I1ced40775ab5df788dd584554e9e67a7946f0e49
diff --git a/src/main/java/de/mannheim/ids/korap/sru/KorapClient.java b/src/main/java/de/mannheim/ids/korap/sru/KorapClient.java
index f9f560f..71e67c3 100644
--- a/src/main/java/de/mannheim/ids/korap/sru/KorapClient.java
+++ b/src/main/java/de/mannheim/ids/korap/sru/KorapClient.java
@@ -421,7 +421,7 @@
         sb.append(resourceId);
         sb.append("/");
         sb.append(documentId);
-        sb.append(".");
+        sb.append("/");
         sb.append(textId);
         sb.append("/");
         sb.append(matchId);