AzureR_dir              Data directory for AzureR packages
AzureToken              Azure OAuth authentication
build_authorization_uri
                        Standalone OAuth authorization functions
cert_assertion          Create a client assertion for certificate
                        authentication
decode_jwt              Get raw access token (which is a JWT object)
format_auth_header      Format an AzureToken object
get_managed_token       Manage Azure Active Directory OAuth 2.0 tokens
normalize_tenant        Normalize GUID and tenant values
