Added Tracked Channel Class

For managing list of tracked channels
User Fixes and Moved Code

Moved UserDataHelper from data.php to user.php
Added Util class and added cookie sanitisation

Makes sure cookie value can't be used to SQL inject
Updated includes and added fields

Updated Report to match spec
tidy up, passwords, sanitise, globals, cURL etc.

Moved UserDataHelper to user.php, changed password to custom user not
root, added sanitise to interface and implementers, made global
variables for sql and ytData sources, moved from authenticated YTData to
cURL, fixed exception message on update
Added Statistic class

Class and helper class for Statistic data table
Created auto SQL setup

Creates database, user, tables for yogstats
Testing code

Just testing statistics helper class