Merge pull request #13 from sengopal/master

Fixes for the vulnerable jackson library version reported by Github

pom.xml

@@ -110,7 +110,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.5</version>
+            <version>2.9.8</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/io.jsonwebtoken/jjwt -->