Slight refactor of test_http.py to reduce duplicated code blocks.
Added posted-filename-with-commas test for #1146.
Don't split headers on commas contained between quotes. Fixes #1146.
Test demonstrating auto-generated response content for redirects can produce malformed HTML. For #1139.
Generate syntactically valid HTML for redirect responses for URLs with quotes in it. Fixes #1139.
Merged in amcone/cherrypy (pull request #66)

Fixes for #1146 and #1139