* Switch to the upload-by-session api for OneDrive Bussiness as their servers
may keep incomplete files when an upload is aborted when the simple upload API
is used
* Use the delay value in the http Retry-After header if there is one
* Decorate the https traffic in the hope of less rate limiting.
The new storage prefix for OneDrive for Business is odb://
The token file can be downloaded from https://duplicacy.com/odb_start
OneDrive for Business requires basically the same set of API calls with
different endpoints. However, one major difference is that for files larger
than 4MB, an upload session must be created first which is then used to upload
the file content. Other than that, there are a few minor differences such as
creating an existing directory, or moving files to a non-existent directory.
