Changing from git based versioning to version string

common_helper_files/__init__.py

+__version__ = '0.1.5'
+
 from .file_functions import read_in_chunks, get_directory_for_filename, create_dir_for_file, human_readable_file_size
 from .git_functions import get_version_string_from_git
 from .hash_functions import md5sum

setup.py

 import os
 import subprocess
 from setuptools import setup, find_packages
+from common_helper_files import __version__
 
 setup(
     name="common_helper_files",
-    version=subprocess.check_output(['git', 'describe', '--always'], cwd=os.path.dirname(os.path.abspath(__file__))).strip().decode('utf-8'),
+    version=__version__,
     packages=find_packages(),
     install_requires=[
         'hurry.filesize >= 0.9'