Problem: maths_boolean_print still using old contract style
Problem: maths_boolean_print still using old contract style

Solution: remove it

fractalide/fractalide,sjmackenzie/fractalide,dmichiels/fractalide,sjmackenzie/fractalide,fractalide/fractalide,dmichiels/fractalide,dmichiels/fractalide,fractalide/fractalide,sjmackenzie/fractalide