* Change FTN packet read() to use async iterator

* createMessageUuidAlternate(): Mmethod for FTN message v5 UUID generation when no MSGID to work with
* parseAbbreviatedNetNodeList() now works properly
* Add core/uuid_util.js for various UUID utilities such as v5 named UUID generation
* Fix message meta load/retrieval
* Add lookup for REPLY kludge -> MSGID -> local reply IDs
* Fix SEEN-BY additions @ export
* Don't override MSGIDs if they already exist
* Store MSGID @ export so it can be inspected later
* Add import functionality (working, but WIP!)
* Clean up bundles and packets after import

core/database.js

@@ -175,7 +175,7 @@ function createMessageBaseTables() {
 		'	meta_category	INTEGER NOT NULL,'							+
 		'	meta_name		VARCHAR NOT NULL,'							+
 		'	meta_value		VARCHAR NOT NULL,'							+
-		'	UNIQUE(message_id, meta_category, meta_name, meta_value),'	+
+		'	UNIQUE(message_id, meta_category, meta_name, meta_value),'	+	//	why unique here? 
 		'	FOREIGN KEY(message_id) REFERENCES message(message_id)'		+
 		');'
 	);