code: public RespokeGroup getGroup(String groupIDToFind) {
          RespokeGroup group = null;
  
          if (null != groupIDToFind) {
              group = groups.get(groupIDToFind);
          }
  
          return group;
      }
docs: Returns the group with the specified ID
  
  @param groupIDToFind  The ID of the group to find
  
  @return The group with specified ID, or null if it was not found