Merge pull request #38 from SystemsBioinformatics/dev

reset to release 0.8.1

Author: bgoli

setup.py

@@ -31,7 +31,7 @@
 try:
     from setuptools import setup
 
-    install_requires_src = ['numpy', 'packaging']
+    install_requires_src = ['numpy', 'packaging', 'nose']
     extras_requires_src = {
         'sympy': ['sympy'],
         'glpk': ['swiglpk',],