Read a single byte and return true if its value is different than 0

Returns false when an error is pending (last_error != null).

Property definitions

binary :: binary $ Reader :: read_bool
	# Read a single byte and return `true` if its value is different than 0
	#
	# Returns `false` when an error is pending (`last_error != null`).
	fun read_bool: Bool do return read_byte > 0
lib/binary/binary.nit:153,2--156,44