e - easy
m - medium
a - advanced
h - hard

Menu:
TODO: (m) Themes and configuration for resize borders
TODO: (m) Resize to work ... better
TODO: (a) Finish PassagewayView (clicking, categories)
TODO: (a) Keyboard: Keyboard navigation
TODO: (a) Contacts section
TODO: (m) Search history
TODO: (m) Switch menu instead of searching for SESSIONS
TODO: (m) Switch to new lists
TODO: (a) Speed up
TODO: (a) Configuration

Library:
TODO: (h) convert to WoC
TODO: (e) check for memory leaks related to Private
TODO: (a) switch groups to QMetaObject and properties
TODO: (m) add margin features to layouts
TODO: (m) add propper size hints to layouts and widgets
TODO: (e) move the groups mechanism away from Widget
          so that ordinary plasma widgets could be extended
          when needed. Add groups support to HoverIcon
TODO: (a) create new lists (scroll panes...)
TODO: (a) add menu widget

Applet:
TODO: (m) fix the hovering

Parts:
TODO: (h) Make it :)
