Added support for newer versions of SPIR-V. #45

Job	Run time
Linux (Static, -DMSL_SHARED=OFF)	13m 20s
Mac (Static, -DMSL_SHARED=OFF)	7m 43s
Windows (Win32, 32, Static, -DMSL_SHARED=OFF)	11m 42s
Mac (Shared, -DMSL_SHARED=ON)	7m 31s
Linux (Shared, -DMSL_SHARED=ON)	12m 40s
Windows (Win32, 32, Shared, -DMSL_SHARED=ON)	11m 1s
Windows (x64, 64, Static, -DMSL_SHARED=OFF)	12m 13s
Windows (x64, 64, Shared, -DMSL_SHARED=ON)	11m 56s
	1h 28m 6s

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