Using PyLint. Bumped linter versions.

Enabled pylint but disabling some checks because it will require
refactoring a large part of the project. Maybe in the future when I want
to add features.

README.rst

@@ -42,6 +42,12 @@ Changelog
 
 This project adheres to `Semantic Versioning <http://semver.org/>`_.
 
+Unreleased
+----------
+
+Added
+    * Python 3.5 support (Linux/OS X and Windows).
+
 1.0.0 - 2015-08-09
 ------------------
 

tox.ini

@@ -38,13 +38,15 @@ commands =
     python setup.py check --strict -s
     python setup.py check_version
     flake8 --application-import-names={[general]name},tests
+    pylint --rcfile=tox.ini setup.py {[general]name}
 deps =
     {[general]install_requires}
     coverage==4.2
-    flake8-import-order==0.5
-    flake8-pep257
-    flake8==2.5.5
-    pep8-naming
+    flake8-docstrings==1.0.2
+    flake8-import-order==0.9.1
+    flake8==3.0.3
+    pep8-naming==0.4.1
+    pylint==1.6.4
 
 [testenv:docs]
 changedir = {toxinidir}/docs
@@ -68,15 +70,19 @@ passenv =
 
 [flake8]
 exclude = .tox/*,build/*,docs/*,env/*,get-pip.py
-ignore = D203,E731
-import-order-style = google
+import-order-style = smarkets
 max-line-length = 120
 statistics = True
 
 [pylint]
 ignore = .tox/*,build/*,docs/*,env/*,get-pip.py
 max-line-length = 120
 reports = no
+disable =
+    redefined-variable-type,
+    too-many-branches,
+    too-many-locals,
+    too-many-statements,
 
 [run]
 branch = True