* Removed the 'not null' attribute from the 'LOGS.LINK_DATETIME',
'LOGS.START_DATE' and 'LOGS.END_DATE' fields in the database
[GitHub issue #000121].
* Incremented the database version to 257.
* Added an entry for the Broadcast Tools SRC-16 in
'docs/SWITCHERS.txt'.
* Added a 'CUT_EVENTS' table to the database.
* Added a 'DECK_EVENTS' table to the database.
* Incremented the database version to 256.
* Implemented a 'Cut Event' ['CE'] RML.
* Added a 'Event Carts' section to the Edit Deck dialog in
'rdadmin/edit_deck.cpp' and 'rdadmin/edit_deck.h'.
* Added a 'Cut Log' report in 'lib/export_cutlog.cpp'.
* Added 'DESCRIPTION' and 'OUTCUE' fields to the '_SRT' table
schema.
* Incremented the database version to 255.