Bug - import/export now output JSON as individual objects

* For JSON as array, json.array=1 behaves as before
* Tests and add-on scripts used in import tests were updated

src/commands/CmdExport.cpp

@@ -71,7 +71,11 @@ int CmdExport::execute (std::string& output)
   for (task = filtered.begin (); task != filtered.end (); ++task)
   {
     if (task != filtered.begin ())
-      output += ",\n";
+      {
+        if (json_array)
+          output += ",";
+        output += "\n";
+      }
 
     output += task->composeJSON (true);
 

src/commands/CmdImport.cpp

@@ -76,8 +76,7 @@ int CmdImport::execute (std::string& output)
     {
       std::string object = trimLeft (
                              trimRight (
-                               trimRight (
-                                 trim (*line), ","),
+                               trim (*line),
                                "]"),
                              "[");
       // Skip blanks.  May be caused by the trim calls above.