Basic:
	~cat ~or
	-exclude
	african_*

Metatag:
	user:Bob
	favoritedby:
	voted|up|down:
	approvedby:
	deletedby:

Post:
	id:100
	date:month..year
	score|favorites:<=100
	char|copy|art|speciestags:2

	rating:safe|questionable|explicit
	type:jpg|png|gif|swf|webm
	pool:4
	md5:
	source:example.com
	description:
	delreason:
	notes:
	status:pending|active|deleted|flagged|any

	ischild|isparent:true|false
	parent:1234|none
	hassource|hasdescription:
	rating|noteslocked:
	hideanon|google:
	inpool:

Size:
	width|height:100
	mpixels:1
	ratio:1.33
	filesize:200KB

Date:
	date:2012-04-27
	date:today|yesterday
	date:day|week|month|year|decade
	date:5_day|week|month|years_ago

Sorting:
	order:random
	order:id|score|views		|_asc
	order:favcount|tagcount		|_asc
	order:mpixels|filesize		|_asc
	order:landscape|portrait