drop 3.5 and include tests in source release

.travis.yml

@@ -16,17 +16,12 @@ branches:
 
 jobs:
   include:
-  - name: "run test suite with python 3.5"
-    python: 3.5
   - name: "run test suite with python 3.6"
     python: 3.6
   - name: "run test suite with python 3.7"
     python: 3.7
   - name: "run test suite with python 3.8"
     python: 3.8
-  - name: "run test suite with python 3.6 on ARM64"
-    arch: arm64
-    python: 3.5
   - name: "run test suite with python 3.6 on ARM64"
     arch: arm64
     python: 3.6

MANIFEST.in

@@ -3,14 +3,13 @@ include LICENSE
 include README.rst
 include releasenotes.rst
 recursive-include kiwi *.h
-recursive-include py *.cpp *.h
+recursive-include py *.cpp *.h *.py
 recursive-include docs/source *.rst
 recursive-include docs/source *.png
 recursive-include docs/source *.py
 recursive-include docs/source *.svg
 recursive docs/make.bat
 recursive docs/Makefile
-recursive-include tests *.py
 prune .git
 prune dist
 prune build

setup.py

@@ -69,7 +69,6 @@ def build_extensions(self):
           # https://pypi.org/pypi?%3Aaction=list_classifiers
           'Programming Language :: Python',
           'Programming Language :: Python :: 3',
-          'Programming Language :: Python :: 3.5',
           'Programming Language :: Python :: 3.6',
           'Programming Language :: Python :: 3.7',
           'Programming Language :: Python :: 3.8',