Add basic tests for sceKernelCreateVTimer().
Initial test of sceKernelVTimerSetHandler funcs.
Add more vtimer tests (handlers, delete, etc.)
Add a test for sceKernelGetVTimerBase*().
Add some tests for time conversion funcs.
Add more vtimer tests, clean up so they're stable.
Merge pull request #118 from unknownbrackets/vtimers

Add tests for vtimers and sysclock conversion funcs