/todo/file.todo

 1-	abstract file system
 2	-	front end
 3		-	directory object
 4		-	file object
 5	-	backends
 6		-	file system apis
 7		-	database
 8		-	redundant
 9			-	register two other file systems and make sure it gets written to both of them each time
10			-	if either fails
11				-	throw an error
12				-	log the error
13			-	randomly choose one to read from
14		-	xml files
15		-	svn repository
16	-	given as list of paths
17		-	does a given file exist
18		-	open the file