WriteError takes an httpResponseWriter and an Error and writes the error the Writer using the JSON encoder.

ErrBadRequest provides a constant Error for HTTP Error 400.

ErrForbidden provides a constant error for HTTP Error 403.

ErrInternalServer provides a constant Error for HTTP Error 500.

ErrNotAcceptable provides a constant for HTTP Error 406.

Error contains the information to return to the client when an error occurs.

Errors contains an array of Error structs for returning multiple errors to the client.