Update versions before tagging

pycroscopy/__version__.py

-version = '0.56.01'
-date = '9/11/2017'
-time = '11:42:47'
+version = '0.57.00'
+date = '10/03/2017'
+time = '8:50:32'

setup.py

@@ -20,7 +20,7 @@ else:
 
 setup(
     name='pycroscopy',
-    version='0.56.01',
+    version='0.57.00',
     description='A suite of Python libraries for high performance scientific computing of microscopy data.',
     long_description=long_description,
     classifiers=[