make setUniform and drawObjectList take multiple objects for uniforms
make setUniform and drawObjectList take multiple objects for uniforms

greggman/twgl.js,ptpham/twgl.js,greggman/twgl.js,WebSeed/twgl.js,WebSeed/twgl.js,ptpham/twgl.js,eyeccc/twgl.js,beni55/twgl.js,beni55/twgl.js,eyeccc/twgl.js,greggman/twgl.js