Refresh a keyword list's metrics

Re-reads volume, keyword difficulty, CPC, competition, intent and SERP features for every Google keyword on a list from DataForSEO Labs, in bulk (one read per market per 700 keywords), and stores them on the list. Answers 'update the numbers on that list'. onlyOlderThanDays skips keywords refreshed more recently, so a big list is not bought twice in a week. Keywords for other engines, or markets the research index does not cover, are skipped with the reason; terms the index has nothing for are listed in noData and their old figures cleared. clientId is the account billed: a client's list is refreshed under its own client, an agency list under any client the caller names. A paid lookup unless anyone read the same thing recently; quote it with estimate_cost.