Todo List
ERR_EMAIL_EMPTY = 'You forgot to enter an e-mail address'
ERR_EMAIL_INVALID = 'The e-mail address you entered is invalid. Please enter a valid e-mail address.'
ERR_PASSWORD_EMPTY = 'You forgot to enter a password, please try again'
ERR_PASSWORD_INVALID = 'The password you entered is invalid. Please try "gabriel" (without quotes)'
ERR_USERNAME_EMPTY = 'You forgot to enter a username, please try again'
ERR_USERNAME_INVALID = 'The username you entered is invalid. Please try "peter" (without quotes)'