make this branch testable and follow code conventions

.gitignore

@@ -25,3 +25,4 @@ dist/
 *.egg-info/
 .tox/
 !.gitattributes
+/reports/

setup.cfg

@@ -1,2 +1,40 @@
 [bdist_wheel]
 universal=1
+
+[build_sphinx]
+source-dir = docs/source
+build-dir  = build/docs
+all_files  = 1
+
+[upload_sphinx]
+upload-dir = build/docs/html
+
+[check-manifest]
+ignore =
+    *.cfg
+    .coveragerc
+    .editorconfig
+    .gitattributes
+    bootstrap-buildout.py
+
+[isort]
+# for details see
+# http://docs.plone.org/develop/styleguide/python.html#grouping-and-sorting
+force_alphabetical_sort = True
+force_single_line = True
+lines_after_imports = 2
+line_length = 200
+not_skip = __init__.py
+
+[flake8]
+exclude =
+    bootstrap-buildout.py,
+    setup.py
+
+ignore =
+    N801,
+    N802,
+    N803,
+    N805,
+    N806,
+    N812,

setup.py

@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '0.3.8.dev0'
+version = '0.4.0.dev0'
 __version__ = version
 
 TESTS_REQUIRE = [
@@ -20,6 +20,7 @@
         "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3.4",
         "Programming Language :: Python :: 3.5",
+        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
     ],

tox.ini

@@ -1,10 +1,71 @@
 [tox]
 envlist =
-    py27, pypy, py34, py35
+    py27,
+    py34,
+    py35,
+    py36,
+    pypy,
+    isort,
+    flake8,
+
 
 [testenv]
 deps =
     zope.testrunner
     .[test]
+
 commands =
     zope-testrunner --test-path=src {posargs:-pvc}
+
+[testenv:isort]
+skip_install = true
+
+deps =
+    isort
+
+commands =
+    isort --check-only --recursive {toxinidir}/src {posargs}
+
+[testenv:isort-apply]
+skip_install = true
+
+deps =
+    isort
+
+commands =
+    isort --apply --recursive {toxinidir}/src {posargs}
+
+[testenv:flake8]
+skip_install = true
+
+deps =
+    flake8
+    flake8-html
+    flake8-coding
+    flake8-debugger
+    flake8-deprecated
+    flake8-isort
+    flake8-pep3101
+    flake8-plone-hasattr
+    flake8-polyfill
+    flake8-print
+    flake8-quotes
+    flake8-string-format
+    flake8-todo
+
+commands =
+    mkdir -p {toxinidir}/reports/flake8
+    - flake8 --format=html --htmldir={toxinidir}/reports/flake8 --doctests src tests setup.py {posargs}
+    flake8 --doctests src tests setup.py {posargs}
+
+whitelist_externals =
+    mkdir
+
+[testenv:release]
+skip_install = true
+
+deps =
+    zest.releaser[recommended]
+
+commands =
+    fullrelease --no-input -v