bump to v0.3.1

Author: wkirgsn

setup.py

@@ -15,7 +15,7 @@
 
 setuptools.setup(
       name='gym_electric_motor',
-      version='0.3.0',
+      version='0.3.1',
       description='An OpenAI gym environment for electric motor control.',
       packages=setuptools.find_packages(),
       install_requires=requirements,