Dont delete source file when source file and post-processed file are the same
added test for redtube.com 

I just added the test for redtube.com
added redtube.com in InfoExtractors (2nd pull request with the required amindments)

added redtube.com in InfoExtractors (2nd pull request with the required amindments). Now this script can also download redtube.com videos
Redtube test now works

I just did a little makeover by changing redtube tests. Now they are passed.
Moved redtube info extractor to the end
Simplify RedTube
Credit @yasoob for IE
Fix comedycentral: newest
Work around a Python bug on Windows with UTF-8 configuration (#820)
release 2013.05.04
Always use HTTPS for youtube (Fixes #691)
updated regular experssion for possible future updates to source url
Better fix for getting source url's
Simplify WorldStarHipHop
raise ExtractorError instead of calling back
Experimentally whitelist Escapist test
Work on twitch.tv chapters (#810)
Improve Twitch.tv chapter support (#810)
twitch.tv chapters: Use API for title and other metadata
twitch.tv chapters: Include uploader (#810)