initial implementation for doto macro relates #567
initial implementation for doto macro
relates #567

aisk/hy,timmartin/hy,farhaven/hy,tuturto/hy,michel-slm/hy,tianon/hy,algernon/hy,freezas/hy,ALSchwalm/hy,larme/hy,farhaven/hy,larme/hy,farhaven/hy,kirbyfan64/hy,gilch/hy,mtmiller/hy,paultag/hy,Tritlo/hy,kartikm/hy,kirbyfan64/hy,adamfeuer/hy,zackmdavis/hy,larme/hy,aisk/hy,tianon/hy,Foxboron/hy,tianon/hy,aisk/hy,jakirkham/hy,Foxboron/hy