Updated Cats API

Made some minor changes to cats API when loading from cache.

Renamed image 0 to 26

Signed-off-by: Matthew Rayner <matt@mattrayner.co.uk>
Updated database awwcat JS

Creation of a Cat object now takes an ID instead of a string - image urls are built within Cat object in the format:

//give.cat/api/img/1.jpg

Signed-off-by: Matthew Rayner <matt@mattrayner.co.uk>