Support PG 9.4 without bleating.

Signed-off-by: olshevskiy87 <olshevskiy87@bk.ru>
Fix version check.

Signed-off-by: olshevskiy87 <olshevskiy87@bk.ru>
Fix a crash bug in the config editor.

Signed-off-by: olshevskiy87 <olshevskiy87@bk.ru>
Fix a potential crash in the debugger.

Signed-off-by: olshevskiy87 <olshevskiy87@bk.ru>