Adding a check in Player class

Signed-off-by: Mayuresh Janorkar <janorkar@usc.edu>
Fixing Problem with Human vs AI

Signed-off-by: Mayuresh Janorkar <janorkar@usc.edu>
Adding a check to avoid exception in Queen class

Signed-off-by: Mayuresh Janorkar <janorkar@usc.edu>
Fixing Player class for killing pieces at destination

Signed-off-by: Mayuresh Janorkar <janorkar@usc.edu>
Adding a check in Queen class

Signed-off-by: Mayuresh Janorkar <janorkar@usc.edu>
Fixing problem with Human vs AI part

Signed-off-by: Mayuresh Janorkar <janorkar@usc.edu>