implement all DLL exports (as TODOs)

Now we can use our own compiled LEGO1.LIB rather than one generated from the original. Also implements a script that tests them to help ensure future commits don't break them.

LEGO1/legoinputmanager.cpp

@@ -12,6 +12,24 @@ LegoInputManager::~LegoInputManager()
   // TODO
 }
 
+// OFFSET: LEGO1 0x1005c740 STUB
+void LegoInputManager::QueueEvent(NotificationId id, unsigned char p2, long p3, long p4, unsigned char p5)
+{
+  // TODO
+}
+
+// OFFSET: LEGO1 0x1005c470 STUB
+void LegoInputManager::Register(MxCore *)
+{
+  // TODO
+}
+
+// OFFSET: LEGO1 0x1005c5c0 STUB
+void LegoInputManager::UnRegister(MxCore *)
+{
+  // TODO
+}
+
 // OFFSET: LEGO1 0x1005b8b0 STUB
 long LegoInputManager::Tickle()
 {