bumped version to 0.5.2

CHANGELOG.md

+## new in jupyter-openbis-extension 0.5.2
+
+- dataSet properties now appear as separate columns
+- changed jupyter-openbis-server dependency to >=0.1.3
+
 ## new in jupyter-openbis-extension 0.5.1
 
 - changed jupyter-openbis-server dependency to >=0.1.2

setup.py

@@ -23,7 +23,7 @@ setup(
     install_requires=[
         'jupyter-nbextensions-configurator',
         'jupyter',
-        'jupyter-openbis-server>=0.1.2',
+        'jupyter-openbis-server>=0.1.3',
         'numpy',
         'tornado==5.1.1',
     ],