Feature request: update from oauth2 draft 5 to final spec / accept "authorization code"

[sdknintex]

The oauth2 instructions state BaseCamp uses draft 5 of Oauth2, which refers to web_server rather than authorization code. The docs also state "We implement draft 5 and will update our implementation as the final spec converges. Be prepared for changes along the way." Draft 5 was obsolete in 2010.

The spec has changed such that web_server is no longer used. Testing apps like Postman can't create an oauth2 token with Basecamp, because they use authorization code, which Basecamp rejects. Can this be updated, please?