Many new api calls

lib/api.js

@@ -9,7 +9,7 @@ let queue = new PriorityQueue(); // a priority queue to hold api calls we want t
 
 // send takes a request object as argument and an optional context ctx
 // example request: {
-//    endpoint: the url endpoint to call,
+//    endpoint: the path part of the url to call,
 //    method: HTTP method for `fetch` call, defaults to 'GET',
 //    payload: optional json object that will be send along with the request,
 //    priority: optional priority value (defaults to 10, lower than 10 means the message will be sent faster)