/0/switch
	switched:true/false

/0/update
	update:true/false

/0/set/playlist?pl=xxx&i=n
	playlist:true/false

/0/set/text?pl=xxx&t=xxx
	text:true/false

/0/set/brightness?v=n
	brightness:n

/0/set/action?v=xxx
	action:xxx

/0/set/transition?v=xxx
	transition:xxx

/0/set/status?s=xxx&n=yyy&v=zzz
	status:true/false

/0/set/brightness?v=n
	brightness:n


/0/get/snapshot
	image/png

/0/get/camera
	image/png

/0/get/fonts
	{"fonts":[xxx,...]}

/0/get/text?pl=xxx
	{"text":"xxx"}

/0/get/display-status
	{"remote-copy":xxx}

/0/get/status?s=xxx&n=yyy
	n is not nul > zzz
	n is nul     > {"yyy":"zzz",...}


/0/files?path=xxx
	xxx is dir  > {"path":"xxx","count":n,"files":["yyy/","zzz"]}
	xxx is file > {"path":"xxx","count":0,"files":{"name":"xxx","modified":"yyyy-mm-dd hh:MM:ss","size":n}}

/0/download?path=xxx
	png: image/png
	jpg|jpeg: image/jpeg
	bmp: image/bmp
	gif: image/gif
	mpg|mpeg: video/mpeg
	mp4: video/mp4
	wmv: video/x-ms-wmv
	mov: video/quicktime
	flv: video/x-flv
	swf: application/x-shockwave-flash
	pdf: application/pdf
	txt: text/plain
	htm|html: text/html
	xml: text/xml
	*: application/octet-stream


/0/upload?path=xxx&modified=yyyy-mm-dd hh:MM:ss&file=multipart
	upload:true/false

/0/clear-stock
	clear:true

/0/copy?remote=xxx
	copy:true

/0/version
	version:xxx

