def add_member(self, email, fullname, membership_type='<STR_LIT>'):
return self.fetch_json(<EOL>uri_path=self.base_uri + '<STR_LIT>',<EOL>http_method='<STR_LIT>',<EOL>query_params={<EOL>'<STR_LIT:email>': email,<EOL>'<STR_LIT>': fullname,<EOL>'<STR_LIT:type>': membership_type<EOL>}<EOL>)<EOL>
Add a member to the board. Membership type can be normal or admin.
Returns JSON of all members if successful or raises an Unauthorised
exception if not.