// sign up
account.signUp('joe@example.com', 'secret');

// sign in
account.signIn('joe@example.com', 'secret');

// sign in via oauth
account.signInWith('twitter');

// sign out
account.signOut();

// change password
account.changePassword('currentpassword', 'newpassword');

// change username
account.changeUsername('currentpassword', 'newusername');

// reset password
account.resetPassword('joe@example.com');

// destroy account and all its data
account.destroy('currentpassword');

// all methods could alternatively accept a parameter hash
// that would also allow for additional user info
account.signUp({
  username: 'joe2000',
  password: 'secret',
  birthday: '1984-05-09',
  email: 'joe@example.com'
});

// that would also allow for a general change method,
// that changeUsername or changePassword would simply
// be shortcuts for
account.change({
  birthday: '1984-05-09',
});
account.change({
  username: 'joe3000',
  password: 'secret'
});