Better managing of exports file
Use tmp file when file is exported
Refresh tokens at beginning
Merge branch 'master' into bug-400
Merge branch 'master' into bug-400

Conflicts:
	lib/index.js
Merge branch 'master' into bug-400
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Update version of anyfetch-provider
Merge pull request #26 from AnyFetch/bug-400

Fix error 400 with exported files