Merge pull request #62 from kiranshila/py38-dev

Bump katcp version for python 3.9

Author: jkocz

setup.py

@@ -54,7 +54,7 @@
         'IPython',
         'future',
         'numpy',
-        'katcp==0.9.1',
+        'katcp==0.9.3',
         'katversion',
         'odict',
         'setuptools',