support SJIS mail (#15)

config/config.go

@@ -36,6 +36,7 @@ type DevModeOptions struct {
 	FestaEvent          int    // Hunter's Festa event status
 	TournamentEvent     int    // VS Tournament event status
 	MezFesEvent         bool   // MezFes status
+	DisableMailItems    bool   // Hack to prevent english versions of MHF from crashing
 	SaveDumps           SaveDumpOptions
 }