::Implemented the following features of the assignment::                                                
                                                                                                          
         1.  Over-loading using multiple constructors                            
                
         2.  Over-riding (through inheritance)                                                                                                                                                      
                                                                                                          
        3.  Multiple Inheritance                                                                          
                                                                                                          
        4.  Separate compilation (with all classes)                                                       
                                                                                                          
        6.  Abstract classes                                                                              
                                                                                                          
        9.  Correct use of all access specifiers (public, private, protected)                             
                                                                                                          
        15. Static states of a class and an example usage.                                                
                                                                                                          
  ::Pending Implementations::                                                                             
                                                                                                                            
                                                                                                          
                18. Your own class template                                                               
                                                                                                          
                19. Use of the vector container                                                           
                                                                                                          
                20. Use of an algorithm on your container (keep it simple).