CSV better handling of messages with incoming parts - to create array output

and add tests (apologies for the massive reformat of test file) - but honestly there are two new tests

packages/node_modules/@node-red/nodes/core/parsers/70-CSV.js

@@ -158,19 +158,24 @@ module.exports = function(RED) {
                         var o = {}; // output object to build up
                         var a = []; // output array is needed for multiline option
                         var first = true; // is this the first line
+                        var last = false;
                         var line = msg.payload;
                         var linecount = 0;
                         var tmp = "";
+                        var has_parts = msg.hasOwnProperty("parts");
                         var reg = /^[-]?(?!E)(?!0\d)\d*\.?\d*(E-?\+?)?\d+$/i;
                         if (msg.hasOwnProperty("parts")) {
                             linecount = msg.parts.index;
                             if (msg.parts.index > node.skip) { first = false; }
+                            if (msg.parts.hasOwnProperty("count") && (msg.parts.index+1 >= msg.parts.count)) { last = true; }
                         }
 
                         // For now we are just going to assume that any \r or \n means an end of line...
                         //   got to be a weird csv that has singleton \r \n in it for another reason...
 
                         // Now process the whole file/line
+                        var nocr = (line.match(/[\r\n]/g)||[]).length;
+                        if (has_parts && node.multi === "mult" && nocr > 1) { tmp = ""; first = true; }
                         for (var i = 0; i < line.length; i++) {
                             if (first && (linecount < node.skip)) {
                                 if (line[i] === "\n") { linecount += 1; }
@@ -242,14 +247,14 @@ module.exports = function(RED) {
                             if (node.include_empty_strings && k[j] === "") o[template[j]] = k[j];
                             if (k[j] !== null && k[j] !== "") o[template[j]] = k[j];
                         }
+
                         if (JSON.stringify(o) !== "{}") { // don't send empty objects
                             a.push(o); // add to the array
                         }
-                        var has_parts = msg.hasOwnProperty("parts");
 
                         if (node.multi !== "one") {
                             msg.payload = a;
-                            if (has_parts) {
+                            if (has_parts && nocr <= 1) {
                                 if (JSON.stringify(o) !== "{}") {
                                     node.store.push(o);
                                 }
@@ -287,8 +292,12 @@ module.exports = function(RED) {
                                         newMessage.parts.count -= 1;
                                     }
                                 }
+                                if (last) { newMessage.complete = true; }
                                 send(newMessage);
                             }
+                            if (has_parts && last && len === 0) {
+                                send({complete:true});
+                            }
                         }
                         node.linecount = 0;
                         done();