Minor change on the sql
Added user management section on control panel
Added posibility to remove a user
Added pagination to Users list.
Changed $this->session-flash(.. with $this->message $this->messages->addMessage(.. on users_controller.php
A step forward with data input validations when adding users.
Added validations to user model
Model validations when adding a user
Added titles to views
Minor changes
Steps forward with validations.
Adding validation for 'user' name changes.
Minor change with 'user' validations.
More validations for 'user' name.
Minor change on redirections when adding users.
Minor changes when adding users.
Change session->flash to message->addMessage

$this->session->flash("...") to his->message->addMessage("...");
and translated messages to english.
Error en message, it was messages
Minor changes.
If something wrong happens when adding or updating a User, form will show wrong data again to be fixed up by user