modifiy the way freequency range is introduced. Now range indicates the interval limits  (min, max) and an additional option resolution is created to define the resolution of the spectrum
modifiy the way freequency range is introduced.
Now range indicates the interval limits  (min, max) and an additional option resolution is created to define the resolution of the spectrum

abelcarreras/DynaPhoPy,abelcarreras/DynaPhoPy