Merge branch 'master' into login
Merge branch 'master' into login

Bringing login up to date.
Removed default_page Property from Nav.php
Checking Validity of Database Queries

The query method now checks that a valid PDO::Statement is returned from
PDO queries; returns false otherwise.

The select method checks that select queries return valid response.
Merge branch 'master' into login
Added print_warning to Chameleon Class
Database query method print_warning on Invalid Query
Minor Style Edits
include_page_from_uri Now Ignoring Query String
Fixed include_page_from_uri - oops
Added $db_config Array to Database Creation