Changes to pages, redirects and userlevels.

I have found that the only safe method of making any changes to pages made with this script is to delete all of them and start over. That can mean a lot of work, as all your existing changes to pages that are working OK are lost.
It would be far better if each page could be created by itself. That way, the only work that could be lost would be on that one page.
I have a major problem in that while I have managed to get the registration page to direct to the login page on a successful registration, I cannot get the login page to direct to any page other than the login failed page.

Can anyone tell me where in the system it is possible to tell the login page to go to one page if it is successful, and to another if it is unsuccessful, other than modifying the raw code by hand.

Also, I have a table in my system that has a list of defined groups. I can see no way of integratingthis into the WA system. I don't wish to be adding groups by hand if the system does get up and running. All that should be required once the pages are set up, is to add a group to the group list in the database and tell the relevant pages that this group has access rights.
Is this possible in SA?

The documentation on the web site is for SA 1X (unless anyone knows better).
Will there be any for 2X, and if so, when?

Videos are an unsuitable form of documentation to give anything other than a brief insight into any problem..