Ex 9-1 has been added.
Code cleanup.
Added ex 9-1 simplified.
Added template for ex 9-2.
continued ex 9-02
ex 9-02 mostly working.
Making sure everything is up to date.
Fixed and cleaned up ex 9-02 smart rockets basic.
Added ex 9-03 template. It's still WIP.
Updated ex 9-3. Close to finished.
Fixed up ex 9-3 and made some 9-2 adjustments
Added begginings of ex 9_04
Continued putting together ex 9_4, though not complete
ex 9-4 almost works correctly.
Ex 9-4 is complete. Did some cleanup.
Added template for ex 9-05
Continued putting together ex 9-05
Cleanup