Don't ignore BulkCopy settings when there is no transaction
Added BulkCopy.KeepIdentity option.
Added count test.
Added count test.
Fixed #86.
Updated version.
Fixed #92.
Fixed #91.
Test for #88.
Fixed https://github.com/igor-tkachev/bltoolkit/pull/319
Fixed #84.
Fixed https://github.com/igor-tkachev/bltoolkit/pull/322
Merge branch 'master' into bug-assosiation-union