+POST /ctdl/p Handler for uploading attachments and other file items
+ The JSON returned wil contain one or more uploads in an array like this:
+ [
+ {
+ "uploadfilename" : "Track 01.wav",
+ "contenttype" : "audio/wav",
+ "ref" : "cdarzowkk",
+ "contentlength" : 56222252
+ }
+ ]
+GET /ctdl/p/<ref> Fetch a specific item that was uploaded ("ref" was returned by the upload)
+DELETE /ctdl/p/<ref> Delete a specific item that was uploaded ("ref" was returned by the upload)
+GET /ctdl/p/<msgnum> Load the attachments from message <msgnum> in, as if they were uploaded
+ by the client. Returns the same JSON as "POST /ctdl/p".