Fixes on lookup persistence/merge

Signed-off-by: Renato Mendes <renato.mendes.1123@gmail.com>
Created a new Merge Strategy that does not merge Collections

Signed-off-by: Renato Mendes <renato.mendes.1123@gmail.com>
Fix the Equals method utilized during the field comparison
moved from EqualsBuilder (Apache) to regular equals()

Signed-off-by: Renato Mendes <renato.mendes.1123@gmail.com>
Adding options to stateless session

Signed-off-by: Renato Mendes <renato.mendes.1123@gmail.com>
Added new options to the Drools stateless session

Signed-off-by: Renato Mendes <renato.mendes.1123@gmail.com>
changes toward having reusable Stateful sessions