Bumping supported Python version

- Dropping 3.3 due to new versions of setuptools dropping support, also
  the fact that it is EOL'd.
- Also cleaned up some Node.js versioning.

.travis.yml

@@ -8,7 +8,7 @@ matrix:
   include:
     - language: python
       python: 2.7
-      env: TRAVIS_NODE_VERSION=4.8
+      env: TRAVIS_NODE_VERSION=4.9
       dist: trusty
       addons:
         apt:
@@ -18,8 +18,8 @@ matrix:
           packages:
             - yarn
     - language: python
-      python: 3.3
-      env: TRAVIS_NODE_VERSION=4.8
+      python: 3.4
+      env: TRAVIS_NODE_VERSION=6.14
       dist: trusty
       addons:
         apt:
@@ -29,8 +29,8 @@ matrix:
           packages:
             - yarn
     - language: python
-      python: 3.4
-      env: TRAVIS_NODE_VERSION=4.8
+      python: 3.5
+      env: TRAVIS_NODE_VERSION=8.11
       dist: trusty
       addons:
         apt:
@@ -40,8 +40,8 @@ matrix:
           packages:
             - yarn
     - language: python
-      python: 3.5
-      env: TRAVIS_NODE_VERSION=6.11
+      python: 3.6
+      env: TRAVIS_NODE_VERSION=8.11
       dist: trusty
       addons:
         apt:
@@ -51,9 +51,10 @@ matrix:
           packages:
             - yarn
     - language: python
-      python: 3.6
-      env: TRAVIS_NODE_VERSION=6.11
-      dist: trusty
+      python: 3.7
+      sudo: true
+      dist: xenial
+      env: TRAVIS_NODE_VERSION=10
       addons:
         apt:
           sources:
@@ -62,9 +63,10 @@ matrix:
           packages:
             - yarn
     - language: python
-      python: 3.7-dev
-      env: TRAVIS_NODE_VERSION=8.6
-      dist: trusty
+      python: 3.8-dev
+      sudo: true
+      dist: xenial
+      env: TRAVIS_NODE_VERSION=10
       addons:
         apt:
           sources:
@@ -74,26 +76,27 @@ matrix:
             - yarn
     - language: python
       python: pypy
-      env: TRAVIS_NODE_VERSION=6.11
+      env: TRAVIS_NODE_VERSION=6.14
     - language: python
       python: pypy3
-      env: TRAVIS_NODE_VERSION=6.11
-    - language: python
-      python: pypy3.3-5.2-alpha1
-      env: TRAVIS_NODE_VERSION=6.11
+      env: TRAVIS_NODE_VERSION=8.11
     # test different versions of Node.js on osx
     - language: node_js
-      node_js: 4.8
+      node_js: 4.9
       os: osx
       env: TRAVIS_PYTHON_VERSION=3.4.5
     - language: node_js
-      node_js: 6.11
+      node_js: 6.14
       os: osx
       env: TRAVIS_PYTHON_VERSION=3.5.3
     - language: node_js
-      node_js: 8.6
+      node_js: 8.11
+      os: osx
+      env: TRAVIS_PYTHON_VERSION=3.6.5
+    - language: node_js
+      node_js: 10
       os: osx
-      env: TRAVIS_PYTHON_VERSION=3.6.0
+      env: TRAVIS_PYTHON_VERSION=3.7.0
 
 before_install:
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then

appveyor.yml

@@ -1,15 +1,15 @@
 environment:
   matrix:
     - PYTHON: "C:\\Python27"
-      nodejs_version: "4.8"
-    - PYTHON: "C:\\Python33"
       nodejs_version: "4"
     - PYTHON: "C:\\Python34"
-      nodejs_version: "6.11"
+      nodejs_version: "6"
     - PYTHON: "C:\\Python35"
       nodejs_version: "6"
     - PYTHON: "C:\\Python36"
       nodejs_version: "8"
+    - PYTHON: "C:\\Python37"
+      nodejs_version: "10"
 
 install:
   - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"

setup.py

@@ -21,10 +21,10 @@
 Programming Language :: Python :: 2
 Programming Language :: Python :: 2.7
 Programming Language :: Python :: 3
-Programming Language :: Python :: 3.3
 Programming Language :: Python :: 3.4
 Programming Language :: Python :: 3.5
 Programming Language :: Python :: 3.6
+Programming Language :: Python :: 3.7
 Programming Language :: Python :: Implementation :: CPython
 Programming Language :: Python :: Implementation :: PyPy
 Topic :: Software Development :: Build Tools