Added bump version utility with baseline version 0.0.1

setup.cfg

@@ -1,3 +1,11 @@
+[bumpversion]
+current_version = 0.0.1
+commit = True
+tag = True
+
+[bumpversion:file:setup.py]
+search = version = "{current_version}"
+
 [aliases]
 test=pytest
 

setup.py

@@ -9,9 +9,12 @@
 with open('LICENSE') as f:
     license = f.read()
 
+# *IMPORTANT*: Don't manually change the version here. Use the 'bumpversion' utility.
+version = '0.0.1'
+
 setup(
     name='viper',
-    version='0.0.1',
+    version=version,
     description='Viper Programming Language for Ethereum',
     long_description=readme,
     author='Vitalik Buterin',
@@ -21,6 +24,7 @@
     packages=find_packages(exclude=('tests', 'docs')),
     install_requires=[
         'ethereum==2.0.4',
+        'bumpversion',
         'pytest-cov',
         'pytest-runner', # Must be after pytest-cov or it will not work
         #           due to https://github.com/pypa/setuptools/issues/196