install pyenv because python is horrible world

Brewfile

@@ -57,6 +57,8 @@ brew "asciidoc"
 brew "bash-snippets"
 # Mac App Store command line interface
 brew "mas"
+# Using pyenv to be able to install specific python versions https://stackoverflow.com/questions/49794432/how-to-setup-a-pipenv-python-3-6-project-if-os-python-version-is-3-5
+brew "pyenv"
 
 mas 'Keynote', id: 409183694
 mas 'iMovie', id: 408981434

dot_scripts/bootstrap.sh

@@ -29,13 +29,13 @@ npm install -g jira-node-cli --save
 # Install pip and pipenv
 sudo easy_install pip
 sudo pip install --upgrade pip
-
 curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
 sudo python3 get-pip.py
 sudo pip3 install --upgrade pip
 ln -s /usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/bin/pip pip3
 export PATH=$PATH:/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/bin/
 pip3 install pipenv
+pyenv install 3.6.0
 
 # Install AWS-CLI
 pip3 install boto3