* enhance linq expressions (combine Select(...).Count(...) with Count(...)) * extra check if ResultPropertyValueCollection contains at least one item.
* enhance linq expressions (combine Select(...).Count(...) with Count(...))
* extra check if ResultPropertyValueCollection contains at least one item.

git-svn-id: e8c7700c11386a21c3a380c8741ce182329511ac@6225 463e38ab-4f4e-0410-907a-65d2b3888964

peopleware/net-ppwcode-util-oddsandends