added a type to Package and added GenericPackage

This forces you to use cast to if you want to force the package to have
a specific type

src/bin/srsc/SiteRessourceController.hx

@@ -1,5 +1,6 @@
 package bin.srsc;
 
+import lib.TypeField;
 import kernel.log.Log;
 import lib.KVStore;
 import bin.srsc.PackageTypes;
@@ -29,7 +30,7 @@ class SiteRessourceController implements Process {
 		kernel.net.Net.instance.registerProto(SITE_CONTROLLER_RESSOURCE_MANAGER_PROTO, this.handleMsg);
 	}
 
-	private function handleMsg(pkg:Package) {
+	private function handleMsg(pkg:GenericPackage) {
 		/*
 			There are 3 types of messages:
 			- Register a new ressource name 
@@ -39,11 +40,11 @@ class SiteRessourceController implements Process {
 
 		switch (pkg.data.type) {
 			case "register":
-				pkg.respond(handleRegister(pkg.data));
+				pkg.respond(handleRegister(cast pkg.data));
 			case "unregister":
-				pkg.respond(handleUnregister(pkg.data));
+				pkg.respond(handleUnregister(cast pkg.data));
 			case "get":
-				pkg.respond(handleGet(pkg.data));
+				pkg.respond(handleGet(cast pkg.data));
 			default:
 				handle.writeLine("Unknown message type: " + pkg.data.type);
 		}