Update Python to 3.6.8

Author: jacebrowning

.verchew.ini

@@ -6,39 +6,44 @@ version = GNU Make
 [Git]
 
 cli = git
-version = 2.
+version = 2
 
 [Python]
 
 cli = python
-version = Python 3.6.5
+version = Python 3.6.8
+
+[pip]
+
+cli = pip
+version = 19
 
 [pipenv]
 
 cli = pipenv
-version = 11.
+version = 2018.11.26
 
 [Node]
 
 cli = node
-version = v8.
+version = v8
 
 [npm]
 
 cli = npm
-version = 5.
+version = 6
 
 [Yarn]
 
 cli = yarn
-version = 1.
+version = 1
 
 [Firefox]
 
 cli = firefox
-version = 55.
+version = 55
 
 [Firefox WebDriver]
 
 cli = geckodriver
-version = 0.19.
+version = 0.19

Dockerfile

@@ -1,8 +1,8 @@
-FROM circleci/python:3.6.5-stretch-browsers
+FROM circleci/python:3.6.8-stretch-browsers
 
 # Pipenv
 
-RUN sudo pip install --upgrade pipenv && \
+RUN sudo pip install --upgrade pip pipenv && \
 pipenv --version
 
 # Node