Remove tox from requirements_dev to fix requirements_all
Monitoring API: fix the return codes

409 (conflict): the entry is not in the expected state
404: entry not found
Monitoring API: change the responses
Monitoring API: fix the doc
Monitoring API: tests for stats and status
Add requests in the dev's requirements
Basic operations with Hubic (upload)
Add readme
Help in refresh script
Download ok
Add threaded CheckChanges and create classes
merge