[WIP] Incremental mission save 2

This commit (and the previous one) exist to document the first approach I
took to storing mission data. It's only here for posterity. This comment
was added while rebasing.

src/Player.hpp

@@ -32,4 +32,7 @@ struct Player {
     bool isTrading;
     bool isTradeConfirm;
     bool IsGM;
+
+    int tasks[6];
+    sItemBase QInven[AQINVEN_COUNT];
 };