Was already merged in Bitbucket before import, marked as merged by the import user
adjust to the new helptext directory upstream in 5.3
update low level API exclusion list
I have no idea why my Windows 10 (1909) system wants to include what looks like older API DLLs. I tried, but failed to figure out how to hack the build process to exclude these by prefix.
I have no idea where dulwich went- this seems autogenerated. I had to install it into the virtualenv at one point, but that's easy enough to do.