Add metadata to query, move metatagging of metadata to metatagger, tweaks to the generate caching so that the cached data becomes more stable (and is GIT-friendlier)

Logic/Web/Hash.ts

@@ -26,6 +26,7 @@ export default class Hash {
         }
         const hash = new UIEventSource<string>(window.location.hash.substr(1));
         hash.addCallback(h => {
+            console.trace("Hash was changed into ",h)
             if (h === "undefined") {
                 console.warn("Got a literal 'undefined' as hash, ignoring")
                 h = undefined;