Add more unit tests for error messages.
treea9f7ea432c2d5675a13019c04df1f7b15eb1b551
-rw-r--r-- 1058 LICENSE
-rw-r--r-- 23 MANIFEST.in
-rw-r--r-- 403 Makefile
-rw-r--r-- 424 README
drwxr-xr-x - examples
drwxr-xr-x - lib
-rw-r--r-- 406 setup.py
drwxr-xr-x - tests