Connect prepares the database connection.

CreateUser attempts to insert a new user to the database.

Disconnect the database.

GetPosts loads all the available posts from the database.

GetUser finds a user by ID (if any) and returns it.

SavePost persists a given post to database.

VerifyLogin checks if login information is correct and returns a user ID.

Post is a new thread on the discussion board.

User contains everything required for a user.