hiting rate limit form medium size projects
requests.exceptions.HTTPError: 429 Client Error: Too Many Requests for url: https://sharelatex2.irisa.fr/project/5d52628fe5170a0d74f4985e/upload?folder_id=5d52628fe5170a0d74f4985d&_csrf=pqiOW5n4-92lI7msV5OXMCk2qTyN3uQunkDg&qquid=92a79e30-b1e0-4269-8933-38636623bb1f&qqfilename=cluster_latency_call_type-rpc-call.pdf&qqtotalfilesize=16552
- max is 200 requests in the last 30 minutes for a given project
- currently we're uploading all the files (even those unchanged)