Adds PyPy to tests

Author: sdispater

.travis.yml

@@ -1,15 +1,28 @@
 language: python
 
-python:
-  - "2.7"
-  - "3.2"
-  - "3.3"
-  - "3.4"
-  - "3.5"
-
-env:
-  - PENDULUM_EXTENSIONS=1
-  - PENDULUM_EXTENSIONS=0
+matrix:
+  include:
+    - python: 2.7
+      env: PENDULUM_EXTENSIONS=1
+    - python: 2.7
+      env: PENDULUM_EXTENSIONS=0
+    - python: 3.2
+      env: PENDULUM_EXTENSIONS=1
+    - python: 3.2
+      env: PENDULUM_EXTENSIONS=0
+    - python: 3.3
+      env: PENDULUM_EXTENSIONS=1
+    - python: 3.3
+      env: PENDULUM_EXTENSIONS=0
+    - python: 3.4
+      env: PENDULUM_EXTENSIONS=1
+    - python: 3.4
+      env: PENDULUM_EXTENSIONS=0
+    - python: 3.5
+      env: PENDULUM_EXTENSIONS=1
+    - python: 3.5
+      env: PENDULUM_EXTENSIONS=0
+    - python: pypy
 
 before_install:
   - pip install codecov

README.rst

@@ -7,7 +7,7 @@ Pendulum
 
 Python datetimes made easy.
 
-Supports Python **2.7+** and **3.2+**.
+Supports Python **2.7+**, **3.2+** and **PyPy**.
 
 
 .. code-block:: python

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{27,35}-{without,with}-extensions
+envlist = py{27,35}-{without,with}-extensions, pypy
 
 [testenv]
 deps = -rtests-requirements.txt