Fix for pandas-datareader on unixtime in windows

pydata#378

Author: omgnuts

pandas_datareader/yahoo/daily.py

@@ -127,10 +127,14 @@ def url(self):
     def _get_params(self, symbol):
         # This needed because yahoo returns data shifted by 4 hours ago.
         four_hours_in_seconds = 14400
-        unix_start = int(time.mktime(self.start.timetuple()))
+        #unix_start = int(time.mktime(self.start.timetuple()))
+        unix_start = (self.start - datetime.datetime(1970, 1, 1)).total_seconds()
         unix_start += four_hours_in_seconds
+        
         day_end = self.end.replace(hour=23, minute=59, second=59)
-        unix_end = int(time.mktime(day_end.timetuple()))
+
+        #unix_end = int(time.mktime(day_end.timetuple()))
+        unix_end = (day_end - datetime.datetime(1970, 1, 1)).total_seconds()
         unix_end += four_hours_in_seconds
 
         params = {