implement simple count
Remove weird active pattern. Fix Take not working
Revert "Implement count for simple queries - references #12"

This reverts commit 0d034b3f21b50621ff073e4857b53f575d6f0f0c.

Conflicts:
	src/Providers.MsSqlServer.fs
Revert "Implement count for simple queries - references #12"

This reverts commit a9506dd06e483796e412036b6b71903d8761e1d1.

Conflicts:
	src/Providers.MsSqlServer.fs
Merge commit '6c66158565ed60a32dd8d4cd942cab6183f08851'