~ All stored properties are fully dynamic, using an extended version of the Qt Property System;
~ CompStoreObj is now QObject subclass;
+ All properties now have change notifier signals;
~ Do not store default values in settings;
+ Add _reset() and _default() functions for each property;
+ Settings import now ignores all non-existent properties automatically;
+ Add settings export functions;
+ Add more version macros;
~ Remove template functions;
~ Move DownloadBranchType and create NewModelAction enums and register with Qt meta system;
~ Multiple efficiency and optimization changes (const functions, literals, etc).