SYNOPSIS
	string read_bytes(string file)
	string read_bytes(string file, int start)
	string read_bytes(string file, int start, int end)

DESCRIPTION
	Reads bytes from file, beginning with byte start and ending
	with byte end. If start is a negative value it will be counted
	from the end of the file.

SEE ALSO
	read_file(E), write_bytes(E), write_file(E)