added a minimum segment size for a segment to be added
added a minimum segment size for a segment to be added

bricegnichols/urbansim,ual/urbansim,ual/urbansim,synthicity/urbansim,VladimirTyrin/urbansim,synthicity/urbansim,waddell/urbansim,SANDAG/urbansim,ual/urbansim,SANDAG/urbansim,UDST/urbansim,bricegnichols/urbansim,AZMAG/urbansim,AZMAG/urbansim,ual/urbansim,VladimirTyrin/urbansim,AZMAG/urbansim,UDST/urbansim,waddell/urbansim,apdjustino/urbansim,synthicity/urbansim,apdjustino/urbansim,waddell/urbansim,apdjustino/urbansim,bricegnichols/urbansim,waddell/urbansim,SANDAG/urbansim,synthicity/urbansim,UDST/urbansim,VladimirTyrin/urbansim,apdjustino/urbansim,AZMAG/urbansim,SANDAG/urbansim,VladimirTyrin/urbansim,UDST/urbansim,bricegnichols/urbansim