HTTP variable
TODO maybe ?
Add a variable to change between HTTP or HTTPS protocol.
For now, it's "hard" written :
url = "http://" .. settings.canopsis_user .. ":" .. settings.canopsis_password .. "@" .. settings.canopsis_host .. ":" .. settings.canopsis_port .. route,
We can add a variable "api-protocol" by example with "http" or "https" value.