Add list for viewing configs.
Check if valid config moved.
Add 2 buttons to the Wx interface.
Add button.
Simplify main config file. Remove second icon set.
Use Exception::Base for exception handling.
Miscellaneous changes:

(Re)refactor Config.pm;
Rename _cfg, _view and _model methods;
Cancel login without exiting the app;
Add admin section to set default mnemonic (config name) and add new;
Update Login dialog for Tk. Log connection errors.
Fix docbook-xsl path
Misc fixes
Add info method for firebird
Fix generated files data encoding.
Add encoding stuff.
Rename page labels.
Add info about table columns (Wx):

Parse SQL to get the columns list;
Add list control for columns and it's types;
Refactor item data storage, store item data in object;
Deprecate the Tk interface;
Use a virtual ListView for query list.
Use a virtual list for table cols list.
Use ISO standard date-time
Return an array from get_mnemonics
Add 3 new attributes to data table: marked, selected and default