(Windows) Version 1.5.4 released

What's new:

• Multi-row delete (select several events holding Shift or Ctrl then press Delete key).

• Several key shortcuts added:
• Ctrl-S for save,
• Ctrl-O for open,
• Insert or '+' or Alt-E for Add Event,
• '*' or Alt-R for Add Recurrent,
• '=' or Alt-B for Adjust Balance,
• Alt-F for toggle the Filter on/off.
• Several key shortcuts added for events grid (when the grid has focus):
• Enter or Space for Edit selected event,
• Home for positioning on the next event after current day,
• End for positioning on the last event,
• Ctrl-A for selecting all filtered rows.