/// <summary>
/// Checks whether this object's Properties contains the string passed in the argument.
/// </summary>
/// <param name="token">string used to make comparison</param>
/// <returns>Returns true if any of the Properties contains the token, false otherwise</returns>
public bool ContainsToken(string token)
{
if (FirstName.ToLower().Contains(token.ToLower()))
return true;
if (LastName.ToLower().Contains(token.ToLower()))
return true;
if (Bio.ToLower().Contains(token.ToLower()))
return true;
return false;
}