Add note about using local() with isolate()
Follow redirects with curl for http

    The previous logic added the -L option to curl when downloading https, but
    not for http.
Fix closing brace in isolate help
Chrome Frame compatibility
Merge pull request #101 from jcheng5/chrome-frame

Chrome Frame compatibility
runGist: accept new URL format with username
httpResponse: make sure headers is a list. Fixes #102
isolate help: mention debugging use and fix typos
Update runUrl help and re-document
Suspend hidden outputs
Add outputOptions function
Add suspended option to Observer
Add tests for suspended observers
Change resume behavior for Observer

Eliminate multiple runs when resumed multiple times
Observer: .flushCallbacks to .invalidateCallbacks
Clarify suspend description
Fix tests
Send output hidden state on init
manageHiddenInputs when outputOptions is called