3.0 prerelease 51

This release fixes some issues with detaching attachments, see:

• #76 -Detach Attachments not working
• It also fixes a vulnerability in the Regular Expression editor (and other edit fields of search conditions added by FIltaquilla) that might render the edit dialog not functional if certain character combinations were entered.

To install, right-click the xpi file in the assets section below and select "save link as...":

Open Thunderbird Add-ons Manager and drag the xpi file into the extensions area.