Bump version to 0.7.2 and update changelog

Author: dan-blanchard

README.rst

@@ -39,6 +39,11 @@ License
 Changelog
 ~~~~~~~~~
 
+-  v0.7.2
+   
+   -  Fix a couple inconsistencies with ``str`` vs ``bytes`` in Python 3 in 
+      ``drmaa.session``.
+
 -  v0.7.1
 
    -  Add `Read The Docs documentation <http://drmaa-python.readthedocs.org>`__

drmaa/version.py

@@ -22,5 +22,5 @@
 :author: Dan Blanchard ([email protected])
 '''
 
-__version__ = '0.7.1'
+__version__ = '0.7.2'
 VERSION = tuple(int(x) for x in __version__.split('.'))