User `Basement.copy` when calling `HTTParty.copy`

I think it's just a typo due to copy-pasting code
added CSV support
added CSV support
fix for travis lexic
fix for travis lexic
fix cucumber steps for csv array response
Merge pull request #269 from davidgg/csv-support

Csv support
Merge pull request #268 from Dorian/patch-1

Use `Basement.copy` when calling `HTTParty.copy`
Correctly merge default headers with request provided headers - fixes #255
Merge pull request #270 from mauricio/issue-256

Correctly merge default headers with request provided headers - fixes #255
Fix digest auth when multiple headers are sent by the server

Digest authentication would fail if more than one header was sent as
part of the response. Look specifically for the "Digest" word as part of
the www-authenticate header.

This fixes issue #271.
Test that multiple authorization headers function
Merge pull request #272 from jsternberg/digest-auth-multiple-headers

Fix digest auth when multiple headers are sent by the server
Release 0.13.0.
Initialize HTTParty requests with an URI object and a String.
Merge pull request #274 from bradgessler/master

Initialize HTTParty requests with an URI object and a String.
added the possibility to specify a body_stream in HttpRequest
added a spec for body_stream
Merge pull request #275 from klobuczek/master

added the possibility to specify a body_stream in HttpRequest
Redirects and final responses handles Content-Length differently