bump the version number; add Travis

Author: 1fish2

README.md

@@ -114,6 +114,11 @@ More examples:
 
 ## Changelog
 
+### Version 0.5.0
+
+* Add the arrow_hang unit test which catches a nasty edge-case (Issue #48),
+  fix the bug, and make the code more robust to some other potential bugs.
+
 ### Version 0.4.4
 
 * Can pickle StochasticSystem instances.

setup.py

@@ -38,9 +38,9 @@
 
 setup(
     name='stochastic-arrow',
-    version='0.4.4',
+    version='0.5.0',
     packages=['arrow'],
-    author='Ryan Spangler, John Mason, Jerry Morrison, Chris Skalnik',
+    author='Ryan Spangler, John Mason, Jerry Morrison, Chris Skalnik, Travis Ahn-Horst',
     author_email='ryan.spangler@gmail.com',
     url='https://github.com/CovertLab/arrow',
     license='MIT',