Quality of life.
This little fix allow players to unlock correctly the limesand recipe out of the limestone when throwed into the crusher of create when the two mods : Create - Factory Must Grow and Create - Northstar re installed together.
Fix :
create:limestone > crusher = 100% Northstar:rutile_concentrated
to
create:limestone > crusher = 80% TFMG:limesand + 20% Northstar:rutile_concentrated
actual fix published in the last verssion for TFMG and Northstar in 1.21.1

