Log Message:
-----------
Added tests for parameter casts.
Modified Files:
--------------
Npgsql2/testsuite/noninteractive/NUnit20:
CommandTests.cs (r1.11 -> r1.12)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/testsuite/noninteractive/NUnit20/CommandTests.cs.diff?r1=1.11&r2=1.12)