Simple OAuth Enhanced Errors

The Simple OAuth Enhanced Errors module enhances error messages in responses
from the Simple OAuth module to better indicate the user what went wrong.

This is done by adding a error property to the JSON response with a specific
error code.

The following generic error responses are enhanced:

• PasswordGrant when user credentials are incorrect:
  • If the user account has no password set, the error code
    no_password_set is added to the response.
  • If the user has been blocked by the flood module:
    user_blocked is added to the response.
  • If the user's IP address has been blocked by the flood module:
    ip_blocked is added to the response.