EventSystem using TCP

	modified:   README.md
	modified:   demo.cpp
	new file:   src/connection.cpp
	new file:   src/connection.hpp
	new file:   src/eventsystem.hpp
	deleted:    example/client.cpp
	deleted:    example/client.hpp
	deleted:    example/common.hpp
	deleted:    example/server.cpp
	deleted:    example/server.hpp
	deleted:    src/event.cpp
	deleted:    src/event.hpp