Allows pre-existing subscriptions with dates other than the current time to be added.

Sets DateRemoved Value to current time based on userID and subscriptionName.

Adds based on the current time.

Deletes entry based on UserID from MySQL table called "Users".

Selects entry from database "Users" based on username and password Returns UserID or -401 when current user does not exist Returns -502 if there is an error with database connection.

UserID and dateAdded will normally be taken automatically from the database instead of specifying it directly, unlike in this test.