Fix possible log injection when logging series creation.

Exclude comment field from log message.

Fix #173

Author: php-coder

src/main/java/ru/mystamps/web/entity/Series.java

@@ -46,7 +46,7 @@
 @Table(name = "series")
 @Getter
 @Setter
-@ToString(exclude = "metaInfo")
+@ToString(exclude = { "metaInfo", "comment" })
 @EqualsAndHashCode(exclude = { "metaInfo", "images", "comment" })
 @SuppressWarnings("PMD.TooManyFields")
 public class Series {