Enable Multi Submit for all available content types

Hi Paul,

I have to say, I really like this module. It really has what I need (I wish I'd seen it before). Anyways, in my current project I need Multi Submit's functionality on more than one content-type, with different set of fields for each content type. During my local tests and also as mentioned at #1008674: CAn this handle more than one multi-submit fields, it doesn't support this functionality just yet.

Since this module already handles the biggest part I need (creating multiple nodes for each CCK field, and clone rest of the data for each node), I thought I could give it a try to add this feature I need. And I think I come up with a pretty decent solution.

Most of the changes I made are in the settings page, I basically re-wrote the code for that. And of course some (necessary) adjustments in hook_nodeapi code.

I also included a corrected version of my own patch which I posted earlier today, #1315224: Required single item field throws error on new node creation

I really would like to get your opinion on this. And of course, if you like it, include it on the next release of Multi Submit.

Please let me know. Cheers,

Osman