render.SetStencilTestMask - Removed confusing examples without images and clarified some page language + Minor Change + Added mention about this being a less-used Stencil function, added link to companion function + Minor Change + Minor Change

render.SetStencilTestMask - Added link to Stencils Render Reference

render.SetStencilTestMask - Added clearer description

render.SetStencilTestMask - Added Menu State

render.SetStencilTestMask - Add source + example changes

render.SetStencilTestMask - ipairs

render.SetStencilTestMask - imported ate --[[ ]]--

render.SetStencilTestMask - No change reason was given

render.SetStencilTestMask - No change reason was given