Echo Server Initial
create iAssistant
change parameters of setPort & setIP function
change data type of parameter with function "setPort"
class Prototype
can test connect with main function
add parameter data type of functin sent() with String
create class EchoAssistant has echo function
new an echoAssistan when client connect into server
remove display client infonation from server to assistant.
add help function and releaseResouces function
implement iAssistant interface : help and releaseResouces
Merge branch 'develop'
have basic sever, bug has some bug, like anomalous close connect can not releaseResouces.
add Logger
add Logger and change try-cash process
fix bug : can not release thread then anomalous client exit .
Merge branch 'develop'
fix bug