Log Message:
-----------
Fixed some connection leaking tests.
Added more datatype tests.
Modified Files:
--------------
Npgsql2/testsuite/noninteractive/NUnit20:
CommandTests.cs (r1.48 -> r1.49)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/testsuite/noninteractive/NUnit20/CommandTests.cs?r1=1.48&r2=1.49)