allow the initialization of a connection with empty configuration
allow the initialization of a connection with empty configuration

pchaow/NeoEloquent,geminixxl/NeoEloquent,logikinc/NeoEloquent,sgpatil/NeoEloquent,andrewdalpino/NeoEloquent,togusafish/logikinc-_-NeoEloquent,DenisGold/NeoEloquent,tomb10516/NeoEloquent