working on SqliteUserService

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

de.srsoftware.oidc.api/src/main/java/de/srsoftware/oidc/api/UserService.java

@@ -25,7 +25,7 @@ public interface UserService {
 	public Optional<User>	 forToken(String accessToken);
 	public UserService	 init(User defaultUser);
 	public List<User>	 list();
-	public Set<User>	 find(String key);
+	public Set<User>	 find(String idOrEmail);
 	public Optional<User>	 load(String id);
 	public Optional<User>	 load(String username, String password);
 	public boolean		 passwordMatches(String password, String hashedPassword);