* Changed all instances of 'char' to 'varchar' in the database.
* Changed the width of the 'CART.TITLE' field to 191.
* Changed the width of the 'CART.ARTIST' field to 191.
* Changed the width of the 'CART.ALBUM' field to 191.
* Changed the width of the 'CART.USER_DEFINED' field to 191.
* Changed the width of the 'CUTS.ORIGIN_LOGIN_NAME' field to 191.
* Changed the width of the 'DROPBOXES.PATH' field to 191.
* Changed the width of the 'DROPBOXES.LOG_PATH' field to 191.
* Changed the width of the 'DROPBOXES.SET_USER_DEFINED' field to 191.
* Changed the width of the 'DROPBOX_PATHS.FILE_PATH' field to 191.
* Changed the width of the 'ELR_LINES.TITLE' field to 191.
* Changed the width of the 'ELR_LINES.ARTIST' field to 191.
* Changed the width of the 'ELR_LINES.USER_DEFINED' field to 191.
* Changed the width of the 'ELR_LINES.ALBUM' field to 191.
* Changed the width of the 'ENCODERS.COMMAND_LINE' field to 191.
* Changed the width of the 'EVENTS.NOTE_TEXT' field to 191.
* Changed the width of the 'EVENT_LINES.MARKER_COMMENT' field to 191.
* Changed the width of the 'FEEDS.CHANNEL_TITLE' field to 191.
* Changed the width of the 'FEEDS.CHANNEL_LINK' field to 191.
* Changed the width of the 'FEEDS.BASE_URL' field to 191.
* Changed the width of the 'FEEDS.BASE_PREAMBLE' field to 191.
* Changed the width of the 'FEEDS.PURGE_URL' field to 191.
* Changed the width of the 'FEEDS.REDIRECT_PATH' field to 191.
* Changed the width of the 'FEED_PERMS.USER_NAME' field to 191.
* Changed the width of the 'GROUPS.DESCRIPTION' field to 191.
* Changed the width of the 'GROUPS.DEFAULT_TITLE' field to 191.
* Changed the width of the 'HOSTVARS.VARVALUE' field to 191.
* Changed the width of the 'HOSTVARS.REMARK' field to 191.
* Changed the width of the 'IMPORTER_LINES.TITLE' field to 191.
* Changed the width of the 'IMPORTER_LINES.TRACK_STRING' field to 191.
* Changed the width of the 'INPUTS.NODE_HOSTNAME' field to 191.
* Changed the width of the 'LOGS.ORIGIN_USER' field to 191.
* Changed the width of the 'LOGS.LOCK_USER_NAME' field to 191.
* Changed the width of the 'LOG_LINES.COMMENT' field to 191.
* Changed the width of the 'LOG_LINES.ORIGIN_USER' field to 191.
* Changed the width of the 'LOG_MACHINES.UDP_ADDR' field to 191.
* Changed the width of the 'LOG_MACHINES.UDP_STRING' field to 191.
* Changed the width of the 'LOG_MACHINES.LOG_RML' field to 191.
* Changed the width of the 'MATRICES.GPIO_DEVICE' field to 191.
* Changed the width of the 'NOWNEXT_PLUGINS.PLUGIN_PATH' field to 191.
* Changed the width of the 'NOWNEXT_PLUGINS.PLUGIN_ARG' field to 191.
* Changed the width of the 'OUTPUTS.NODE_HOSTNAME' field to 191.
* Changed the width of the 'PODCASTS.ITEM_TITLE' field to 191.
* Changed the width of the 'PODCASTS.ITEM_LINK' field to 191.
* Changed the width of the 'PODCASTS.ITEM_COMMENTS' field to 191.
* Changed the width of the 'PODCASTS.ITEM_AUTHOR' field to 191.
* Changed the width of the 'PODCASTS.ITEM_SOURCE_URL' field to 191.
* Changed the width of the 'PODCASTS.AUDIO_FILENAME' field to 191.
* Changed the width of the 'RDAIRPLAY.SKIN_PATH' field to 191.
* Changed the width of the 'RDAIRPLAY_CHANNELS.START_RML' field to 191.
* Changed the width of the 'RDAIRPLAY_CHANNELS.STOP_RML' field to 191.
* Changed the width of the 'RDCATCH.ERROR_RML' field to 191.
* Changed the width of the 'RDPANEL.SKIN_PATH' field to 191.
* Changed the width of the 'RDPANEL_CHANNELS.START_RML' field to 191.
* Changed the width of the 'RDPANEL_CHANNELS.STOP_RML' field to 191.
* Changed the width of the 'RECORDINGS.URL' field to 191.
* Changed the width of the 'REPLICATORS.URL' field to 191.
* Changed the width of the 'REPL_CART_STATE.POSTED_FILENAME' field
to 191.
* Changed the width of the 'REPORTS.EXPORT_PATH' field to 191.
* Changed the width of the 'REPORTS.WIN_EXPORT_PATH' field to 191.
* Changed the width of the 'SERVICES.DESCRIPTION' field to 191.
* Changed the width of the 'SERVICES.NAME_TEMPLATE' field to 191.
* Changed the width of the 'SERVICES.DESCRIPTION_TEMPLATE' field to 191.
* Changed the width of the 'SERVICES.PROGRAM_CODE' field to 191.
* Changed the width of the 'SERVICES.TFC_PATH' field to 191.
* Changed the width of the 'SERVICES.TFC_WIN_PATH' field to 191.
* Changed the width of the 'SERVICES.MUS_PATH' field to 191.
* Changed the width of the 'SERVICES_MUS_WIN_PATH' field to 191.
* Changed the width of the 'STATIONS.USER_NAME' field to 191.
* Changed the width of the 'STATIONS.DEFAULT_NAME' field to 191.
* Changed the width of the 'STATIONS.EDITOR_PATH' field to 191.
* Changed the width of the 'STATIONS.JACK_COMMAND_LINE' field to 191.
* Changed the width of the 'SWITCHER_NODES.DESCRIPTION' field to 191.
* Changed the width of the 'SYSTEM.ISCI_XREFERENCE_PATH' field to 191.
* Changed the width of the 'USERS.LOGIN_NAME' field to 191.
* Changed the width of the 'USERS.FULL_NAME' field to 191.
* Changed the width of the 'USERS.DESCRIPTION' field to 191.
* Changed the width of the 'USER_PERMS.USER_NAME' field to 191.
* Changed the width of the 'USER_SERVICE_PERMS.USER_NAME' field to 191.
* Changed the width of the 'WEBAPI_AUTHS.LOGIN_NAME' field to 191.
* Changed the width of the 'WEB_CONNECTIONS.LOGIN_NAME' field to 191.
* Incremented the database version to 297.
* Changed the default DB charset to 'utf8mb4'.
* Changed the default DB collation to 'utf8mb4_general_ci'.
* Removed the MYSQL_BUILTIN_DATABASE define from 'lib/rd.h'.
* Removed the POSTGRESQL_BUILTIN_DATABASE define from 'lib/rd.h'.
* Converted ripcd(8) to use RDApplication.
* Documented a 'Notification' message type in
'docs/apis/notification.xml'.
* Added an 'RDMulticaster' class.
* Added an 'mcast_recv_test' program in 'tests/'.
* Added a 'SYSTEM.NOTIFICATION_ADDRESS' field to the database.
* Incremented the database version to 276.
* Added an 'Mcast Address for Notifications' control to the
'System-Wide Settings' dialog in rdadmin(1).
* Implemented the 'Process Notification' ['ON'] command in
ripcd(8).
* Added an 'RDRipc::sendNotification()' method.
* Added an 'RDRipc::notificationReceived()' signal.
* Added a 'SYSTEM.SHOW_USER_LIST' field to the database.
* Incremented the database version to 265.
* Added 'RDSystem::showUserList()' and 'RDSystem::setShowUserList()'
methods in 'lib/rdsystem.cpp' and 'lib/rdsystem.h'.
* Added a 'Show User List in RDLogin' control to the 'Edit System'
dialog in 'rdadmin/edit_settings.cpp' and 'rdadmin/edit_settings.h'.
* Altered RDLogin to display a text input field for the user name
when 'Show User List in RDLogin' is unchecked.
* Added a 'SYSTEM.FIX_DUP_CART_TITLES' field to the database.
* Incremented the database version to 264.
* Added 'RDSystem::fixDuplicateCartTitles()' and
'RDSystem::setFixDuplicateCartTitles()' methods in 'lib/rdsystem.cpp'
and 'lib/rdsystem.h'.
* Added an 'Auto-Correct Duplicate Cart Titles' checkbox to the
'System Settings' dialog in 'rdadmin/edit_settings.cpp' and
'rdadmin/edit_settings.h'.
* Modified the 'EditCart' web call to enforce the 'Auto-Correct
Duplicate Cart Titles' setting.
