Notes:
- a:attribute
- m:methode
- n:notification


any.any (the generic schema)
=======
a:devType
a:address
a:parent

n:alive()
n:variablesChange(out v:+) 
n:error(out description, out code)

m:isAlive(in devTypes)
m:getDescription(out vendorId, out productId, out version, out parent, out url,
                 out unsupportedMethods, out unsupportedNotifications, 
                 out unsupportedAttributes)
m:getAttributes(in attributes, out a:*)
m:getBusConfig(in/out busAddr, in/out busPort, in/out TTL)



lamp.basic (extends any.any)
==========
a:light(bool)
m:on()
m:off()


lamp.dimmer (extends lamp.basic)
===========
a:dimmer(float, precent)
m:dim(in/out float level)


lamp.rgb (extends lamp.queryable)
========
a:level {red, green, blue} (float, precent)x3
a:mode [fixed,shuffle]
m:dim(in/out float red, green, blue)
m:setMode(fixed|shuffle) 



shutter.basic (extends any.any)
=============
a:position (open|closed|opening|closing)
m:up()
m:down() 
m:stop()



door.basic (extends any.any)
==========
a:position (open|closed) 


locker.basic (extends any.any) 
============
a:position (locked|unLocked)
m:lock()
m:unLock()



mediaplayer.basic (extends any.any)
=================
a:activity (play|pause|stop)
a:destination (address of the mixer)
m:play()
m:pause()
m:next()
m:previous()
m:stop()


mediaplayer.spotify (extends mediaplayer.basic)
===================
v:url
m:playUrl(url)


audiomixer.basic (extends any.any)
================
a:source(address of the player)
a:volume(percent)
m:setSource(addr)
m:up
m:down
m:mute
m:unmute


composite.basic (extends any.any)
===============
a:embedded


gateway.basic (extends composite.basic)
=================
a:address_mapping