GenerateCode a random code having the specified lenght.

GenerateNonce creates a pseudo-random alpanumeric code to use as a nonce value.

GenUUIDv4 generates a new universal user ID (UUID) version 4.

IsUUIDv4 determins whether a string is a valid UUID form.

LoadCredentials reads a JSON object from a file representing API client_id/client_secret pairs and returns a map[string]string with the results.

OauthEscape creates a safe text to use in URL's.