Separate out bullet effects, allow for tweaking to change these

src/Dodge/Default/Weapon.hs

@@ -8,7 +8,9 @@ import ShapePicture
 import Shape
 import Geometry.Vector3D
 import Geometry
+--import Dodge.TweakBullet
 
+--import qualified Data.IntMap.Strict as IM
 import Control.Lens
 
 defaultAmmo :: ItemConsumption
@@ -101,6 +103,7 @@ defaultGun = Weapon
     , _itTargeting = Nothing
     , _itParams = NoParams
     , _itDimension = defaultItemDimension
+    , _itTweaks = NoTweaks
     }
 defaultItemDimension :: ItemDimension
 defaultItemDimension = ItemDimension