Changed the submit documentation to explicitly state that the submit button is not included as a form parameter.
Filled in documentation for has_field checks and field collections.
Updated set and fetch example documentation to match the page's doc style.

Also cleaned up some whitespace within the file.
Added an httponly accessor
Agent.allowed_error_codes - list of error response codes which should not raise an error to facilitate easier testing of error pages.
Adding test coverage around WwwAuthenticateParser with multiple params to challenge, including embedded commas.
Handling WWW-Authenticate strings that use spaces as delimiters between auth-params. #260
Handling WWW-Authenticate strings that use spaces as delimiters between auth-schemes. #260
Fixed tests... now they work
Fix edge case when visiting bogus URLs.
Fix edge case when parsing bogus Set-Cookie header from <meta> tags.
Include application/xml in the content types that trigger the xml parser.

See http://stackoverflow.com/a/4832418/27206 for some context on
text/xml vs. application/xml.

I had to make some minor changes to pluggable_parsers to allow multiple
content types per parser; this is only really necessary to support the
xml= style methods.
Fix Mechanize::Form::Field#inspect to read from accessor methods rather than directly from instance variables.
Move robots logic to avoid repetition.
Fix for issue #272
Merge pull request #280 from rkowalick/issue272

Pull Request for Issue #272
updated Changelog for #272, #280
squash some ruby warnings
Added Mechanize::Download#save_as as an alias to #save

closes #246
updated changelog for #246