Merge pull request #3 from iliketorock/master

Spelling correction README
divided Sauna.php in a view and the controller

-Sauna.php has been changed to a view
-The code that acted like the controller has been extracted to
controller.php
-name of GET value changed to "id" instead of "txtId"
removed unused require

removed unused require from index.php
removed typo from an controller.php comment