Referencia del directorio libs

Directorios
directorio	acl
directorio	acl2
directorio	auth
directorio	auth2
directorio	benchmark
directorio	cache
directorio	date
directorio	db
directorio	deprecated
directorio	event
directorio	filter
directorio	i18n
directorio	input
directorio	kumbia_active_record
directorio	logger
directorio	registry
directorio	report
directorio	rest
directorio	security
directorio	session
directorio	upload
directorio	validate