Updated changelog

Author: PierreRaybaut

CHANGELOG.md

@@ -1,7 +1,10 @@
 # PythonQwt Releases #
 
 
-### Version 0.X.X ###
+### Version 0.8.0 ###
+
+- Added PySide2 support: PythonQwt is now compatible with Python 2.7, Python 3.4+, 
+  PyQt4, PyQt5 and PySide2!
 
 - Changed QwtPlotItem.detachItems signature: removed unnecessary "autoDelete" argument, 
   initialiazing "rtti" argument to None (remove all items) 

qwt/__init__.py

@@ -28,7 +28,7 @@
 .. _GitHubPage: http://pierreraybaut.github.io/PythonQwt
 .. _GitHub: https://github.com/PierreRaybaut/PythonQwt
 """
-__version__ = "0.7.0"
+__version__ = "0.8.0"
 QWT_VERSION_STR = "6.1.5"
 
 import warnings