it seems as if I know the GPL as well as you do. ;) But don't let us go into details here. I was a little pissed because you used all my structure, texts and all the pictures without even mentioning.
I needed this plugin for some projects too. That's why I created it from the original module. So I think I know what you have been through. :) I created a new version that can handle both plugins. I used, according to the GPL, some code of yours. I mentioned you in the release information. Hope that is ok.
Please understand my criticism as I am willing to get yours. I know that the code is not perfect but as you can see in the discussion, I am more than willing to fix stuff. It would have been no problem to contact me even via email instead of wasting your time. ;) Please feel free to change your code or send me some feedback on mine.
BTW: when I use the bwp-recaptcha plugin instead of the wp-recaptcha plugin there is a wird URL on the top of the forms. Do you have the same problem? I think it comes out of the bwp plugin but I am not really sure.
Back to your message: Before I started with the plugin I used the CF7 module on several projects. But because it was not within CF7 but had to be copied manually I had to consider it with each new version of CF7 on several projects. I wouldn't waste so much time any longer so I decided to create a plugin. I thought that it is not a feature of wp-recaptcha because they maintain the recaptcha interface itself. The CF7 guy did not respond to my requests. Some time later he stopped maintaining the module at all. That's the story. :)
Sure, you don't have to ask me for a feature request. But I am not sure if the BWP guys want to maintain code for interaction with each and every plugin out there. What they have done, they have done quite well. Have you asked them for that feature? What was their reaction?
So I see you are just a guy in need as I was and am. Don't let the criticism ruin our Christmas (or whatever important thing you are celebrating) Holiday.
You are more than welcome to contact me. I wish you all the best and stay with kind regards