Added more creature model overrides

Added more creature model overrides.  Added another "boss" creature to the Labyrinth.  Tweaked several other creatures.  Full compile.  Updated release archive.

_module/nss/hunefer_shutdoor.nss

@@ -0,0 +1,28 @@
+void main()
+{
+    object oTarget;
+
+    // Get the creature who triggered this event.
+    object oPC = GetEnteringObject();
+
+    // Only fire for (real) PCs.
+    if ( !GetIsPC(oPC)  ||  GetIsDMPossessed(oPC) )
+        return;
+
+    // Only fire once per PC.
+    if ( GetLocalInt(oPC, "DO_ONCE__" + GetTag(OBJECT_SELF)) )
+        return;
+    SetLocalInt(oPC, "DO_ONCE__" + GetTag(OBJECT_SELF), TRUE);
+
+    // Close and lock "HUNEFER_DOOR".
+    AssignCommand(oTarget, ActionCloseDoor(oTarget));
+    SetLocked(oTarget, TRUE);
+
+    // Setting the requirement for a specific key to unlock "HUNEFER_DOOR".
+    SetLockKeyRequired(oTarget);
+    SetLockKeyTag(oTarget, "HUNEFER_KEY");
+
+    // Setting lock data for "HUNEFER_DOOR".
+    SetLockLockable(oTarget, FALSE);
+    SetLockUnlockDC(oTarget, 30);
+}