Merge pull request #405 from DataObjects-NET/6.0-include-related-issues

Resolves several query translation issues declared in #402

Addresses issue which appeared in 6.0.13, which roots to not fully visited of key expression in GroupBy
Addressed issue of incorrect optimization of query with several In() calls within RedundantColumnOptimizer, which could cause wrong source of parameters for IN statement.

Author: alex-kulakov

ChangeLog/6.0.14_dev.txt

@@ -0,0 +1,2 @@
+[main] Addressed issue of not visiting grouping expression correctly which appeared in previous version
+[main] Addressed certain issues of incorrect query optimization when it contains multiple In() calls