Add incoding

spectrum_overload/differential.py

@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 """Differential Class which takes the difference between two spectra."""
 from spectrum_overload import Spectrum
 

spectrum_overload/norm.py

@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 
 import numpy as np
 import logging

spectrum_overload/spectrum.py

@@ -1,4 +1,5 @@
 #!/usr/bin/python
+# -*- coding: utf-8 -*-
 
 from __future__ import division, print_function
 

spectrum_overload/test/test_DifferentialSpectrum.py

@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 """Test DifferentialSpectrum Class."""
 
 import numpy as np

spectrum_overload/test/test_Spectrum.py

@@ -1,4 +1,6 @@
 #!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
 """Test Suite for Spectrum Class.
 
 It is not perfect and can be definitely improved.

spectrum_overload/test/test_overloaded_operators.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# -*- coding: utf-8 -*-
 
 from __future__ import division, print_function