Add spec to check for knight id
Add remove knight method
Add spec check if remove only deletes one knight
Add find knight method
Add campaign initialize
Add read name attribute for campaign
Add basic campaign.all method
Refactor campaign.all, connect it to db
Add save campaign method
Add == method for campaign
Add spec for .all, returns multiple records
Add spec check if campaign gets id
Add remove campaign method
Add check for remove, only removes what method is called on
Add find campaign by id method