add replaceTransform method for programs
add replaceTransform method for programs

ceseale/tangram,taylorhxu/tangram,zerebubuth/tangram,tangrams/tangram,TitoAgudelo/tangram,xvilan/tangram,xvilan/tangram,tangrams/tangram,DHaylock/tangram,rosamcgee/tangram,zerebubuth/tangram,rosamcgee/tangram,ceseale/tangram,rosamcgee/tangram,ceseale/tangram,zerebubuth/tangram,taylorhxu/tangram,TitoAgudelo/tangram,xvilan/tangram,TitoAgudelo/tangram,DHaylock/tangram,taylorhxu/tangram,DHaylock/tangram