Merge pull request #18 from birnig/master

Fixed issue with no_proxy variable not being honoured (Mechanize driver)...
Merge pull request #19 from birnig/master

2.1.0
Merge pull request #20 from birnig/master

2.2.0
Merge pull request #21 from birnig/master

2.3.0 Merged
Merge pull request #22 from birnig/master

2.3.1
Updated with 2.3.1 release details.