Station entry now supports "sunshine_hours" attribute

Bumped version number.
solar_radiation() and similar methods no longer reeceive 'n' as
attribute

README.md

@@ -212,23 +212,23 @@ The same as above but in mm. 16.4 for this example.
 
 Possible daylight hours for this day. 
 
-### day.solar_radiation(n)
+### day.solar_radiation()
 
-Given number of hours of direct sunlight calculates solar radiation on the 
-horizontal surface. In MJ/m2/day
+Depends on the value of *day.sunshine_hours* attribute. Returns solar radiation
+in MJ/m2/day
 
-### day.solar_radiation_in_mm(n)
+### day.solar_radiation_in_mm()
 
 Same as above, but returns in mm.
 
 ### day.R_so()
 
 Calculates Clear-Sky solar radiation.
 
-### day.R_ns(n)
+### day.R_ns()
 
-Given hours of direct sunlight calculates net solar radiation (or shortwave radiation)
-Takes into account albedo of the crop. 
+Given hours of direct sunlight (in *day.sunshine_hours* attribute) calculates 
+net solar radiation (or shortwave radiation) Takes into account albedo of the crop. 
 
 ### day.soil_heat_flux()
 

setup.py

@@ -3,15 +3,15 @@
 
 setup(
     name="penmon",
-    version="0.1.7",
+    version="0.1.8",
     description="Implementation of Penman-Monteith equation to calculate ET for a reference crop",
     # long_description_content_type="text/markdown",
     # long_description=long_description,
     author="Sherzod RUZMETOV",
     author_email="sherzodr@gmail.com",
     license="MIT",
     url="https://github.com/sherzodr/penmon",
-    download_url="https://github.com/sherzodr/penmon/archive/0.1.7.tar.gz",
+    download_url="https://github.com/sherzodr/penmon/archive/0.1.8.tar.gz",
     py_modules=["penmon.eto"],
     package_dir={'': 'src'},
     packages=["penmon"],