Custom cURL options

[dstelljes]

So I don't know the status of #18, but this does pretty much the same thing and is slightly more elegant (uses the + operator instead of the foreach). Unlike #18, custom options take precedence... is there a case where that wouldn't be desirable?

[dstelljes]

And I intended to open another pull request for this but forgot to change branches: the api.vimeo.com CA certificate is now bundled as a fallback so CURLOPT_SSL_VERIFYPEER or complicated workarounds don't have to be a thing.

[Dashron]

There's been no communication on the other pull request, so I'm more than happy to merge this one.

Unfortunately I'm not comfortable merging in cert code from a third party. I'm going to need a staff member to do that. Can you split out that code, and go through our CLA: https://developer.vimeo.com/cla.

Once everything is set let me know and I'll make the merge!

[dstelljes]

Alright, I just moved the certificate stuff to another branch (dstelljes:bundled-ca) for reference so this pull request only contains the custom options fix. And I just filled out the CLA so we should be all set. Thanks!

[Dashron]

Thanks!