add __version__ to setup.py

v1.5.2

pyspw/__init__.py

@@ -1,3 +1,3 @@
 from .api import *
 
-__version__ = '1.5.1'
+__version__ = '1.5.2'

setup.py

@@ -8,9 +8,11 @@ with open(path.join(this_directory, 'README.md'), encoding='utf-8') as f:
 
 requirements = open('requirements.txt', 'r').read().split('\n')
 
+exec(sorted([el if el.startswith('__version__') else 'Z' for el in open('./pyspw/__init__.py', 'r').read().split('\n')], reverse=True)[0])
+
 setup(
     name='Py-SPW',
-    version='1.5.1',
+    version=__version__,
     packages=['pyspw'],
     url='https://github.com/teleportx/Py-SPW',
     license='MIT License',