Split long clear timeout delays.

window.setTimeout can not handle big delays.

Fixes #180

lib/persistentRndStorage.js

@@ -81,7 +81,14 @@
 		if (interval > 0){
 			var timeout =  settings.lastPersistentRndClearing + interval - Date.now();
 			logging.message("registering persistent rng data clearing timeout. Clearing in ", timeout, "ms");
-			clearTimeout = window.setTimeout(clear, timeout);
+			if (timeout > 1073741824){
+				// window.setTimeout can only handle delays up to 32 bit.
+				// Therefore we repeat the registering afert 2^30 = 1073741824 seconds
+				clearTimeout = window.setTimeout(registerTimeout, 1073741824);
+			}
+			else {
+				clearTimeout = window.setTimeout(clear, timeout);
+			}
 		}
 	}
 	function broadcast(data){

releaseNotes.txt

@@ -8,6 +8,7 @@ Version 0.4.5:
 		- Added sections in options
 	
 	fixes:
+		- long clearing periods did not work
 		- prevent possible double faking
 		- asking did not work in some cases (auto deny)