x.xx
    - plugin system (partialy done)
    - open recent files
    - more ciphers? (plugins)
    - use cracklib? (plugin)
    - store file in item?
    - Windows port?
    - import/export to web service? (plugin)
    - user configurable toolbar

0.75  (done)
    - AES-256 as default cipher
    - two factor authentication (password and key file)
    - better import/export

0.72  (done)
    - tray icon

0.70  (done)
    - advanced search field
    - context menu
