Minor changes: author info, docstring, etc.
Minor changes: author info, docstring, etc.

ContinuumIO/chaco,burnpanck/chaco,ContinuumIO/chaco,ContinuumIO/chaco,burnpanck/chaco,ContinuumIO/chaco,burnpanck/chaco,tommy-u/chaco,tommy-u/chaco,tommy-u/chaco