Adds dom4j to the list of dependencies in the pom file.
<artifactId>picocli</artifactId>
<version>4.0.4</version>
</dependency>
+ <dependency>
+ <groupId>org.dom4j</groupId>
+ <artifactId>dom4j</artifactId>
+ <version>2.1.1</version>
+ </dependency>
</dependencies>
</project>
\ No newline at end of file
