- Notion of the height of the node is also introduced 
	- Ht = 0  => Root [source]
	- Ht = -1 => Not attached to the tree
	- Ht > 0  => Node in the tree [not root]
- Simulation for 100N-pareto-7200
- WhatIfs related to NoReplacementFound & similar taken care of
	- Bug need to be fixed
- Next set of TODOs