Implemented serializable doc bits vector for caching on disk.

Change-Id: I5ffdbe429b68b71d165c3ecf5b7504ac01a9a1ec
diff --git a/src/test/resources/named-vc/named-vc1.jsonld b/src/test/resources/named-vc/named-vc1.jsonld
new file mode 100644
index 0000000..0fddd89
--- /dev/null
+++ b/src/test/resources/named-vc/named-vc1.jsonld
@@ -0,0 +1,12 @@
+{"collection": {
+    "name" : "named-vc1",
+    "@type": "koral:doc",
+    "key": "textSigle",
+    "match": "match:ne",
+    "type" : "type:string",
+    "value": [
+        "GOE/AGF/00000",
+        "GOE/AGA/01784"
+    ],
+    "cache" : "true"
+}}