fix 144, persistTasks only affects tasks now

Previously persistTasks affected regular shares as well, this fixes #144

Libraries/iTasks/SDS/Sources/Store.icl

@@ -53,7 +53,8 @@ storeShare namespace versionSpecific prefType defaultV = sdsSequence "storeShare
 	//Compute the filepath in the store from the key
 	//And decide if the store should be memory-only or can use a persistent version
 	(\key {EngineOptions|appVersion,storeDirPath,persistTasks} ->
-		(storeDirPath </> namespace </> (if versionSpecific (appVersion </> safeName key) (safeName key)), if persistTasks prefType InMemory))
+		(storeDirPath </> namespace </> (if versionSpecific (appVersion </> safeName key) (safeName key))
+		,if (namespace == NS_TASK_INSTANCES && not persistTasks) InMemory prefType))
 	(\_ _ -> Right snd)
 	(SDSWriteConst (\_ _ -> Ok Nothing))
 	(SDSWriteConst (\_ w -> Ok (Just w)))