Merge pull request #11 from RealTriassic/main

Fix lastServerOf not retrieving data correctly

Author: 4drian3d

src/main/java/io/github/_4drian3d/authmevelocity/lastserver/database/Database.java

@@ -53,7 +53,7 @@ public String lastServerOf(final String playerName) {
              final PreparedStatement statement = fromPlayer(playerName, connection);
              final ResultSet rs = statement.executeQuery()
         ) {
-            return rs.getString("server");
+            return rs.next() ? rs.getString("server") : null;
         } catch (final SQLException e) {
             return null;
         }