MsNodeSql: fixed QueryCallback and tests

msnodesql/msnodesql-tests.ts

@@ -17,12 +17,12 @@ function test_streaming() {
 function test_explicit() {
     var conn_str = "Driver={SQL Server Native Client 11.0};Server={(localdb)\\v11.0};Database={DBName};Trusted_Connection={Yes};";
 
-    sql.open(conn_str, function (err, conn) {
+    sql.open(conn_str, function (err?: Error, connection?: sql.Connection) {
         if (err) {
             console.log("Error opening the connection!");
             return;
         }
-        conn.queryRaw("SELECT * FROM TestTable", function (err, results) {
+        connection.queryRaw("SELECT * FROM TestTable", function (err?: Error, results?: sql.QueryRawResult, more?: boolean) {
             if (err) {
                 console.log("Error running query!");
                 return;

msnodesql/msnodesql.d.ts

@@ -20,7 +20,7 @@ declare module "msnodesql" {
     }
 
     interface QueryCallback {
-        (err?: Error, results?: any[], more?: boolean): void;
+        (err?: Error, results?: QueryRawResult, more?: boolean): void;
     }
 
     interface QueryRawCallback {