Next version status

• File/Import/Log data: modified ADIF import to use non-active logbook
• Entry/Standard: added search for callsign in LL database
• Entry/Standard: added filter to cluster module to avoid displaying searched callsigns that were worked on a given band and mode
• Contest/Run: added support for "Venezuelen Independence"
• Contest/Run: added support for "Russian Radiosport Team Championship"
• Contest/Run: modified search for callsign in LL database, either in all logbooks or currently active logbook
• Contest/Run: adapted TAC to the new rules
• Contest/Run: added function in modification window to delete a contact
• Query/DXCC list: added sorting
• added code to prevent specific system errors to halt LL