void IPaleontologistRepository.SetLoggedIn(int Id, bool loggedIn)
{
Paleontologist paleontologist = context.Paleontologists.Find(Id);
paleontologist.LoggedIn = loggedIn;
context.Paleontologists.Update(paleontologist);
context.SaveChanges();
context.Entry(paleontologist).State = EntityState.Detached;
}
void IResearcherRepository.CreateResearcher(string name)
{
Researcher researcher = new Researcher(name);
context.Researchers.Add(researcher);
context.SaveChanges();
context.Entry(researcher).State = EntityState.Detached;
}