Add a test for sceKernelCreateMsgPipe().
Change the new msgpipe test to a .cpp file.
Add tests for deleting/cancelling msgpipes.
Test msgpipe cancel/delete with timeouts as well.
Add some tests for sceKernelSendMsgPipe().
Add a test for sceKernelTrySendMsgPipe().
Add tests for sceKernelReceiveMsgPipe(), etc.
Add test for sceKernelReferMsgPipeStatus().
Add a test for the actual data and priorities.
Merge pull request #92 from unknownbrackets/scheduling

Add tests for message pipes