v4.0.1 - IMAP4 IDLE

IMAP - Empty trash folder
IMAP - IMAP4 IDLE Beta
- Nine - Settings > Labs > IMAP4 IDLE
IMAP - Fixes the missing attachments issue when replying an email from Yahoo
Adds Show preview pane option for Tablet
- Nine - Settings > General > Appearance > Show preview pane
Show the category on Tasks list
Calendar Widget - Show only the first day of a multi-day event
- Calendar Widget - Settings > Show multi-days only first day
Fixes other bugs and Improves performance