New Dual Simulation Class
1) Changed the Dual Simulation Method .
**** Used the same Graph Data Structure *****

1) Made changes to the Dual Simulation - Created a new class and wrote a
new method for Dual Simulation - The class is called "DualSimulation".

2) Made changes to methods inside ALL the simulations to make them bug
free.

3) The Sequential Tight Method is ready. 

4) Finding Induced SubGraph method is ready and is in Graph.java. I
tested with with few graphs but need some testing together on finalizing
the method.

5) Finally, added some comments to the code and made it a bit readable
(I guess ).  :)
**** Used the same Graph Data Structure *****

1) Made changes to the Dual Simulation - Created a new class and wrote a
new method for Dual Simulation - The class is called "DualSimulation".

2) Made changes to methods inside ALL the simulations to make them bug
free.

3) The Sequential Tight Method is ready. 

4) Induces SubGraph method is ready and is in Graph.java. I tested with
with few graphs but need some testing together on finalizing the method.

5) Finally, added some comments to the code and made it a bit readable
(I guess ).  :)