* lisp/net/soap-client.el: Update copyright years.
(soap-warning): Fix docstring quoting.
(soap-decode-date-time): Likewise.
(soap-validate-xs-simple-type): Remove tabs for indentation.
* lisp/net/soap-inspect.el: Update copyright years.
* lisp/net/soap-client.el (soap-encode-xs-basic-type): Do not
assume xsd:base64Binary values are UTF-8 strings.
(soap-decode-xs-basic-type): Likewise.
(soap-invoke): Document xsd:base64Binary handling.
* lisp/net/soap-client.el (soap-find-port, soap-find-operation)
(soap-operation-arity): new defuns
(soap-invoke-internal): use soap-find-port, soap-find-operation.
Co-authored-by: Alex Harsanyi <AlexHarsanyi@gmail.com>