Mirror bzr repo to git
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1) cd bzr intelhex branch
2) bzr fast-export -b test-all-pythons . fastimport.stream
3) copy fastimport.stream to git checkout
4) ensure current git branch is test-all-pythons
5) git fast-import < fastimport.stream
6) checkout git master branch and merge test-all-pythons mirror there
7) push to github
