Removing Cython output file from source (#17)

Author: henryiii

.gitignore

@@ -12,3 +12,4 @@ dist
 *.html
 *.hepmc*
 .pytest_cache/*
+numpythia/src/_libnumpythia.cpp

.travis.yml

@@ -22,7 +22,7 @@ addons:
 
 install:
   - pip install --upgrade pip
-  - pip install --upgrade pytest
+  - pip install --upgrade pytest Cython
   - pip install coveralls pytest-cov
 
 before_script:

README.rst

@@ -39,6 +39,7 @@ Strict dependencies
 - `Python <http://docs.python-guide.org/en/latest/starting/installation/>`__ (2.7+, 3.4+)
 - `Numpy <https://scipy.org/install.html>`__
 - `six <https://six.readthedocs.io/>`__
+- Only for the development version (from github): `Cython <https://cython.org/>`__
 
 Getting started
 ---------------