Added Destructor
Added Destructor and it's description
Added Destructor
Added Destructor's description
List of changes

Reloaded method addCluster;
Added method calcHemmingNorm for test
Corrected Esoinn constructor
Added field area and destructor
List of changes

Given description of destructor
Changed constructor;
Given description of setArea
List of changes

Given description of ~Esoinn
Changed constructor
Some corrections // need more!