Fixed list access services and added tests.

Change-Id: Idf460f41c09393231d5b83d8d20c245c9eaa34d2
diff --git a/core/pom.xml b/core/pom.xml
index e82c424..4c5d03c 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -93,6 +93,7 @@
 		    <plugin>
 		      <groupId>org.apache.maven.plugins</groupId>
 		      <artifactId>maven-source-plugin</artifactId>
+		      <version>3.0.1</version>
 		      <executions>
 		        <execution>
 		          <id>attach-sources</id>