Remove unnecessary generic parameters from Bridge

Remove: Soem unnecessary generic parameters from code related to the Bridge class.
General Bridge cleanup

Fix: Improve the javadoc of the Bridge.send() method.
Fix: Rename the testGetXXModule() tests in DefaultBridgeTest to testGetSetXXModule().
Add Bridge.handle() shortcut method

Add: The Bridge.handle() method is a simple shortcut to Bridge.getHandlerModule().handle(). It will simplify mocking in the future.
Implement Bridge.handle() shortcut

Add: Modified the code so it uses the new Bridge.handle() shortcut method.