havent really tested this so it would be good if someone could submit a test case but it should fix #282
@gimler ping .. this one was for you :)
make it possible to set both a group and a version exclusion strategy
Removing conflicting validation rule.
While PR #321 added support for using both serialization groups and versions, the configuration validation was not updated to reflect these changes. This commit simply removes the specific validation rule that is affected.