Hello
first of all, thanks for the useful library.
Since I updated the dependency in my project (integrates with the Beatport API, 3-legged) and it passed from 2.0.0 to 2.2.0, I get "Invalid OAuth signature. Expected value ..." when performing a Request Token request.

Since nothing has changed in the code/environment/configuration, I was wondering if you could give me any hint about what major changes that were introduced in this version that might need my attention

The affected request uses POST and .toHeader()

Thank you!