Tpslimit for Cloud Sync task

Problem/Justification
Many Cloud Drive operator that work on a per TB stored or on a per User basis have hidden API limits. For example Google Drive or Dropbox.

Gdrive allows 240’000 files listing per minute.

Impact
A cloud sync task that has more than 240’000 files will always fail. So basically the current implementation has a 240’000 files limit for GDrive.

User Story
Right know, the user probably won’t even notice that the sync failed because of this bug: Jira.

But after that issue is solved, the user will hopefully see a sync error, read the logs, see that he/she/they ran into a rate limit and change the Cloud Sync Task accordingly.

By setting --tpslimit 3999 users could sync with gdrive without running into rate limits.