Use __version__ from quickshear.py

setup.py

@@ -10,20 +10,23 @@
 # To use a consistent encoding
 from codecs import open
 from os import path
+import runpy
 
 here = path.abspath(path.dirname(__file__))
 
 # Get the long description from the README file
 with open(path.join(here, 'README.rst'), encoding='utf-8') as f:
     long_description = f.read()
 
+info = runpy.run_path("quickshear.py")
+
 setup(
     name='quickshear',
 
     # Versions should comply with PEP440.  For a discussion on single-sourcing
     # the version across setup.py and the project code, see
     # https://packaging.python.org/en/latest/single_source_version.html
-    version='1.0.1-dev',
+    version=info['__version__'],
 
     description='Quickshear Defacing for Neuroimages',
     long_description=long_description,