* commit '79235d2a93086538817391c847a8063442e1e1f0': adding getters to Sampler ProgramRaster, ProgramStore, Element. Element adds ability to get subelement info. Tests for new stuff.
* commit '79235d2a93086538817391c847a8063442e1e1f0': adding getters to Sampler ProgramRaster, ProgramStore, Element. Element adds ability to get subelement info. Tests for new stuff.