Changed skipcond for module tests.
Add changed skipcond for module tests
Add strip() to skipcond for module tests
Fixed empty arg. for mysql connection.
Fixed empty arg. for pg connection.
Fixed result for pg connection.
Merge remote-tracking branch 'origin/skipcond_module_stable' into stable
Merge remote-tracking branch 'origin/stable'

Conflicts:
	test/module/net_sql.mysql.result
	test/module/net_sql.mysql.test
	test/module/net_sql.pg.result
	test/module/net_sql.pg.test