Updated the nonce to be generated with the view instead of every page load.
Added nonce generation to the view output.
Removed nonce generation.
Simplified the Db class. It now acts as a simple wrapper for creating a PDO object.
Added a processing script to handle form submissions.
Added the Room model to save new rooms from the home page form.
App as it stands at the outset of Chapter 8 writing.
Updated form actions to utilize the controller-based form handling.
Removed all logic from the models, implemented controller-based form handling.
Changed all uses of "URL" to "URI", miscellaneous formatting adjustments.
Added docblocks for new methods.