fixed error in make_number
fixed error in make_number

Got attribute error when using is_integer because the number passed to it was a integer. Fixed this by moving the check to a point where the number definitely is a float.

MathGen/oppgavegenerator,w0pke/oppgavegenerator,MathGen/oppgavegenerator,w0pke/oppgavegenerator,w0pke/oppgavegenerator,MathGen/oppgavegenerator