Allow creation of items via typed command

src/Dodge/Combine/Data.hs

@@ -64,7 +64,7 @@ data CraftType
     | TIMEMODULE
     | SIZEMODULE
     | GRAVITYMODULE
-  deriving (Eq,Ord,Show,Enum)
+  deriving (Eq,Ord,Show,Enum,Read)
 
 -- TODO make this an enum somehow...?
 data ItemBaseType
@@ -164,7 +164,7 @@ data ItemBaseType
     | MEDKIT Int
     | CRAFT CraftType
     --
-  deriving (Eq,Ord,Show)
+  deriving (Eq,Ord,Show,Read)
 
 data ItemModuleType 
     = EMPTYMODULE
@@ -193,7 +193,7 @@ data Detector
     = ITEMDETECTOR
     | CREATUREDETECTOR
     | WALLDETECTOR
-  deriving (Eq,Ord,Show)
+  deriving (Eq,Ord,Show,Read)
 
 data ModuleSlot
     = ModBullet