Use of Dashboard.phtml

 autoload.php:
- changed directory separator writing to fit any platform (DIRECTORY_SEPARATOR). Errors occurred on *NIX the former way. 

application.global.php:
- changed 'db' for 'adapter' to reflect new paradigm.
- Added index as default action method for controllers.

usuarios.php:
- changed name of method select to index to reflect a common ground for default method in controllers.

User.php:
- use of 'namespace config(adapter)()' for instantiation.

select.phtml:
- explode no longer needed for MySQL (see TODO).

application.php:
- inclusion of layout key in config array.

Assorted:
- Created application.local.php and added 'layout' key for your consideration of inclusion in application.global.php.
- Helper.php: helper class for easy formating of print_r and any other functionality we want to add in the future. Helper::pre(variable to show, message -optional-, die text if any -optional-).

TODO: implementation of an assoc array output in txt adapter for consistency between adapters.