'''
This modul defines abstract input and output L{Devices}.
 
G{packagetree}
 
@author: Ramona Bunk
@organization: IT Science Center Ruegen gGmbH, Germany
@copyright: Copyright (c) 2007, 2009 ITSC Ruegen
 
@license: I{The BSD License}
All rights reserved. This program and the accompanying materials are made
available under the terms of the BSD license which accompanies
this distribution, and is available at
U{http://www.opensource.org/licenses/bsd-license.php}
'''
 
import AEDeviceEvent
import AEOutput
import AEInput