JDBC drivers: fix 'Unsupported URL' – drivers might be called witrh wrong URLs and then they should (according to the JavaDoc) return null instead of throwing an exception.
This problem occurred when --test-connection was testing multiple connections in parallel.
4 src/info/globalcode/sql/dk/Constants.java \
5 src/info/globalcode/sql/dk/formatting/* \
6 src/info/globalcode/sql/dk/CLIParser.java \
7 | ../../scripts/bash_completion.pl