Module development and code questions

Is there a simple way to implement a simple shop solution in drupal? Or maybe connect an existing webshop solution into Drupal?

I was wondering if there is a module about somewhere or if it is being considered adding to user.module the abilty to have user accounts deleted after that user has not logged in for so many months? Preferbly with it emailing the user warning them say 5 days before as I can see this as a good way to keeping memberlists a realistic size as last thing i want is a memberlist of hundreds of people of which only a quarter actually use the site.

Did have this feature when I used to run a BBS before use the internet and it kept everything in check!

hi. i have a new event module that was create by quebec indymedia (who use drupal) and have cvs installed but i can't figure out how to upload it into my cvs sandbox (i don't know cvs very well).

if anybody has directions for me that would be great. i am using WinCVS.

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I have tried updating the privatemsg module and also the gallery module to work with CVS version. I have also updated taxonomy_html as it had a few bugs left from the conversion done earlier in the week.