Rewrote MIME support and made it much, MUCH quicker. All parsing of the messages are now handled on the IMAP server, rather than inside PHP, which makes it about 20x faster (literally). git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@551 7612ce4b-ef26-0410-bec9-ea0150e637f0