/// <summary>
/// Remove a thought from the head
/// </summary>
/// <param name="thought"></param>
public void Remove(Thought thought)
{
if(_head == thought) {
_head = _head.Next;
} else {
Thought pos = _head;
while(pos != null && pos.Next != thought) {
pos = pos.Next;
}
if(pos != null && pos.Next == thought) {
thought.Unlink(pos);
}
}
}
