update setup.py version to 0.1.5

Author: dreoporto

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="ptmlib",
-    version="0.1.4",
+    version="0.1.5",
     author="Andre Oporto",
     author_email="opor7ae@pendragonai.com",
     description="Pendragon Tools for Machine Learning",