public People updatePeople(String peopleID, String personName, String projectID, String role) {
    	 People people = manager.find(People.class, peopleID);
    	 if (people != null) {
    		 people.setProjectID(projectID);
    	    	people.setPersonID(peopleID);
    	    	people.setRole(role);
    	    	people.setName(personName);
    	    	
    	 }
    	 return people;
     }