Alex Sakhartchouk 7d5f5e7c89 adding getters to Sampler ProgramRaster, ProgramStore, Element.
Element adds ability to get subelement info. Tests for new stuff.

Change-Id: I4a77b91e4e0e73c95ab28b42c50732a64e71e7b9
2011-10-18 11:08:31 -07:00
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