Ignore python_requires so that Python 3.4 is still tested by Travis

.travis.yml

@@ -8,7 +8,7 @@ install:
 - pip install pip -U
 - pip install coveralls coverage wheel
 - pip install -r requirements.txt
-- pip install -e .
+- pip install -e . --ignore-requires-python
 script:
 - coverage run --source sismic -m pytest
 - cd docs && make doctest && cd ..

CHANGELOG.rst

@@ -11,7 +11,7 @@ Unreleased
    action is executed, making the two predicates more accurate when long-running actions are 
    executed when a state is entered. Similarly, ``idle`` is reset after the action of a transition
    is performed, not before.
- - (Changed) Drop support for Python 3.4.
+ - (Changed) Drop official support for Python 3.4.
 
 1.2.2 (2018-06-21)
 ------------------

docs/installation.rst

@@ -11,10 +11,12 @@ Starting from release 1.0.0, Sismic adheres to a `semantic versioning <https://s
 You can isolate Sismic installation by using virtual environments:
 
 1. Get the tool to create virtual environments: ``pip install virtualenv``
-2. Create the environment: ``virtualenv -p python3.4 env``
+2. Create the environment: ``virtualenv -p python3.5 env``
 3. Jump into: ``source env/bin/activate``
 4. Install Sismic: ``pip install sismic``
 
+Consider using `pew <https://github.com/berdario/pew>`__ or `pipenv <https://docs.pipenv.org/>`__ to manage your virtual environments.
+
 The development version can also be installed directly from its git repository:
 ``pip install git+git://github.com/AlexandreDecan/sismic.git``