updated changelog

CHANGLOG.rst

@@ -4,13 +4,15 @@ All notable changes to this project will be documented in this file.
 Changes that did not make it into a new release are marked with [unreleased].
 
 [unreleased/0.6]
+""""""""""""""""
 **added**
 
 - example usage
 - detect api respone with all "0"s or "-"s
 - return all values a numbers (also - as 0 or 0.0)
 
 **changed**
+
 - improved precipitation forecast calculation
 - improved/added unit tests
 - windirection and windazimuth are now reversed
@@ -20,11 +22,14 @@ Changes that did not make it into a new release are marked with [unreleased].
 
 [0.5] - 2017-06-10
 """"""""""""""""""
+**added**
+
 - measured date/time added to data section
 - added precipitation forecast
 - add secondary url for buienradar api
 
 **changed**
+
 - fixed linting
 
 [0.4] - 2017-05-28