GET /projects

{
"projects":[
    {
      "projectID":Int,
      "projectDue":Long,
      "tasksCount":Int, //Liczba tasków dla tego zadania
      "projectName":String
    }
  ]
}

GET /projects/{projectID}/tasks

{
"tasks":[
    {
      "taskID":Int,
      "taskDue":Long,
      "taskDescription":String,
      "taskName":String
    }
  ]
}

POST /projects

{
      "projectID":Int, //-1 dla nowego
      "projectDue":Long,
      "tasksCount":Int, //Liczba tasków dla tego zadania
      "projectName":String
}

POST /projects/{projectID}/tasks

{
      "taskID":Int, //-1 dla nowego
      "taskDue":Long,
      "taskDescription":String,
      "taskName":String
}