Wayne Xu

Fixed #334: Sort attributes before computing the hashcode

14

Sort attributes by attribute key

session.getDataHashCode not equals Arrays.hashCode( attributesData ) when session attributes whithout changes by msm-kryo-serializer

5

```java final ConcurrentMap attributes = _session.getAttributesFiltered(); final byte[] attributesData = serializeAttributes( _session, attributes ); final int hashCode = Arrays.hashCode( attributesData ); // if ( _log.isDebugEnabled() ) { _log.debug( "attributesData "...