Function: Sends a Link header for the REST API.

Function: Checks for errors when using cookie-based authentication.

Function: Collects cookie authentication status.

Function: Parses an RFC3339 time into a Unix timestamp.

Function: Parses a date into both its local and UTC equivalent, in MySQL datetime format.

Function: Sends Cross-Origin Resource Sharing headers with API requests.

Function: Handles OPTIONS requests for the server.

Function: Sends the “Allow” header to state all methods that can be sent to the current route.

Function: Do a REST request.