Mail and Gmail Drafts Auto-Saving

I've been using Mail with Gmail IMAP and whenever I draft an email the deleted drafts keep ending up in the Trash folder. If its a particularly long email or the draft has been open for some time this can be up to 60 copies of Drafts in my Trash folder and they show up in the search.

Anyone else experience this or know of a fix? I read somewhere that you can disable saving drafts on the server but this doesnt really help if you want to have your Draft accessible elsewhere.