Apply HTTP Request class and HTTP Response class

[hodongho]

Apply HTTP Request class and HTTP Response class

Define HTTP Message Class enum

• MethodType
• StatusCode

Define HTTP Request Class member function

• parseRequestMessage()
• getter(), getContentLength()
• saveBody()

Define HTTP Response Class member function

• makeResponseMessage()
• setter()
• addHeader()
• clear()

and apply new main logic(use udata) with Test output