The BASE64FileService allows files to be encoded to BASE64 format and decoded from BASE64 format.
The BASE64FileService supports the following commands:
5.3.1 SERVICE_LOAD
5.3.2 SERVICE_GET
5.3.3 ENCODE
5.3.4 DECODE
5.3.5 SET
5.3.6 LIST
5.3.7 DELETE
5.3.8 RENAME
5.3.9 SERVICE_UNLOAD
