Modify rcmQueue for add method with already in parameter queue condition.
Check main to rcmSolver for test and debugging.
rcmSolver class is OK!
Revert "Modify rcmQueue for add method with already in parameter queue condition. Check main to rcmSolver for test and debugging. rcmSolver class is OK!"

This reverts commit 4e04f79f8a0d4e2839ab1752482cfd6ed5a1d2cd.
Code cleaning