Patched the Highfleet Turrets mod.

Minor code improvements.

Reworked arrow-related patches to be a lot more modular. Now, all crossbow and greatbow projectiles should automatically revert to dropping arrows.

Reintroduced the assault shield from Combat Extended Armory.

Applied the cannon cost tweaks to the warcasket handheld cannon as well.

Cannons from VFE - Pirates are now more expensive and require reinforced barrels to craft.

The bombardier turret is now stuffable.

Removed the indirect grapeshot projectile because it, uh, does not work.

The bombardier cannon from Combat Extended Armory can now also fire grapeshot and round cannon balls.

Reintroduced and reworked the bombard cannon from Combat Extended Armory.
Tweaked the costs of artillery pieces from Vanilla Furniture Expanded - Security.