Implemented VC caching & deserialization with string[] and cache option.

Change-Id: I42a7d4211d903587254d6b7fc2d6c242e55a2032
diff --git a/pom.xml b/pom.xml
index 45ed86f..4514523 100644
--- a/pom.xml
+++ b/pom.xml
@@ -289,6 +289,7 @@
 						<exclude>**/TestWPDIndex.java</exclude>
 						<exclude>**/TestRealIndex.java</exclude>
 						<exclude>**/TestSampleIndex.java</exclude>
+						<exclude>**/TestVCCaching.java</exclude>
 					</excludes>
 				</configuration>
 			</plugin>