Also related to the propel2 version? - Possible issue with automatically purging the cache for foreign key related tables

Hey @thefuriouscoder,

I've reported a [issue](https://github.com/SNakano/PropelDataCacheBehavior/issues/15) to the [PropelDataCacheBehavior](https://github.com/SNakano/PropelDataCacheBehavior).
It is somehow a known behavior/edge case there.
Do you know if this is also a known edge case for your behavior?
