Set the virtual method pointers to the import/export methods.

Set the virtual method pointers to the import/export methods.

2002-10-31  Jeffrey Stedfast  <fejj@ximian.com>

	* camel-gpg-context.c (camel_gpg_context_class_init): Set the
	virtual method pointers to the import/export methods.
	(camel_gpg_context_init): Set the key_protocol string.
	(gpg_hash_to_id): Handle 2 more hash types.
	(gpg_id_to_hash): Same.
	(gpg_ctx_op_step): Slight fixes to support import/export.
	(gpg_ctx_parse_status): Fix to hack around the fact that importing
	keys doesn't write to stdout.
	(gpg_import_keys): Implemented.
	(gpg_export_keys): Implemented.

	* camel-cipher-context.c (camel_cipher_context_class_init): Hook
	up default virtual methods for import/export.
	(camel_cipher_import_keys): Implemented.
	(camel_cipher_export_keys): Implemented.