	modified:   ch10/queue_by_2stacks.hpp 	added a description for bug
	modified:   ch10/queue_by_2stacks.hpp
	added a description for bug

Mooophy/CLRS,Mooophy/CLRS,opensourceDA/CLRS,tushar2708/CLRS,tushar2708/CLRS,Mooophy/CLRS,tushar2708/CLRS,opensourceDA/CLRS,opensourceDA/CLRS,Mooophy/CLRS,tushar2708/CLRS,opensourceDA/CLRS