Implemented chainability in method by 1) returning the original object, and 2) converting the "not a valid feed" error into a console log.
Implemented chainability in method by 1) returning the original object, and 2) converting the "not a valid feed" error into a console log.

sdepold/jquery-rss,Aurif3x/jquery-rss,rsallo/jquery-rss,superfeedr/jquery-rss,rsallo/jquery-rss,superfeedr/jquery-rss,landsurveyorsunited/jquery-rss,sdepold/jquery-rss,Aurif3x/jquery-rss,landsurveyorsunited/jquery-rss