#5 new variant of get_httpmail - readhttpmail

[P Cause]

This support interactive browsing/reading/saving/deleting
or multiple MSN/Hotmail accounts. Includes the ability
to define patters that will automatically caused
messages to be deleted, like \bfree\b.*\b(trial\test)\b
which will delete any message with free test or free tral
in it.

I've been using on hotmail but I don't have an msn
account. The original code said it worked on both, so...

Docs are in the file, use pod2text to get them.

[P Cause]