Merge remote-tracking branch 'origin/master' into new_utf8
Sql.Promise: Improve error reporting in case of failed queries.
Merge remote-tracking branch 'origin/8.1' into gobject-introspection
Merge branch '8.1' into peter/travis
Sql.Promise: Add support for eventbased mapping of resultrows.
Merge remote-tracking branch 'origin/8.1' into peter/travis
Sql.Promise: Collect SQL errors before registering success/failure.
Sql.FutureResult: Rename raw_data -> data, and data -> get().
Sql.Promise: Improve docs.
Sql.Promise: New & improved interface.