Priority Switcher 0.4.40

Priority Switcher is a Thunderbird extension that adds functionalities to change priority of the received messages. You can change priority by the toolbar button or the context menus.
Notice that Priority Switcher changes priority stored in *msf files. So, if you reconstruct them, all changes will be gone.
System requirements:
- Thunderbird 2.0b1 � 2.0.0.*

Enhancements:
- Fixed: the option dialog cannot be opened