[Suggestion] Entity whitelist for Cannoneers

[Ryanicus2002]

I think it would be very useful to have a configuration for the friendly cannoneers to whitelist mobs they should consider 'friendly.' I mostly bring this up because I found that when using VS Pirates along with the villager recruits mod, the cannoneers will dismount their cannons to attack the villager recruits despite them both belonging to the player.

Also on the subject of cannoneer targeting, I think it is very important that they have a way to identify ships as friendly/enemy. At present, hired cannoneers seem to fire at any VS ship that crosses their line of fire, even if their owner is the one piloting it. This forces the player to be very wary of having cannoneers anywhere near other ships, and means I must be careful if any other friendly players come near in their own ships.

[techheadfred-git]

I'd like to see this too, it could tie in well with #49

I find it funny to spawn multiple hostile ships in close proximity and let them have at each other though!