A bug found in communication layer

In XWHEP 8.2.0, a bug has been found in the communication layer.In XWHEP 8.2.0, a bug has been found in the communication layer.

Communications may not work properly if distributed parts do not use the same character encoding.

This is corrected in version 8.2.1 by forcing the character encoding to UTF8. Final tests are under process before publication of this new version.