Bump to version 0.4.2 in setup.py.

Author: joshuabmoore

setup.py

@@ -62,7 +62,7 @@
                         'data/standard_normal.npy',
                         'data/cml7.npy']},
     include_package_data=True,
-    version='0.4.1',
+    version='0.4.2',
     description='Library for pairwise analysis of time series data.',
     author='Oliver M. Cliff',
     author_email='[email protected]',