* ConcurrencyUtils.userprefs:
* Program.cs:
* ChannelTest.cs:
* BoundChannelTest.cs:
* ConcurrencyUtils.dll:
* ConcurrencyUtils.dll:
* ConcurrencyUtils.dll.mdb:
* ConcurrencyUtils.dll.mdb:
* ConcurrencyUtils.dll:
* ConcurrencyUtils.dll.mdb:
* ConcurrencyUtilsTester.exe:
* ConcurrencyUtilsTester.exe:
* ConcurrencyUtilsTester.exe.mdb:
* ConcurrencyUtilsTester.exe.mdb: Updated Channel and Bound Channel
  tests for performance testing

* Channel.cs: Changed parameter for Poll from ref to out for better
  client usability