http.c v 1.02 (add freereq function)

Add a function "freereq" to free memery.
Now treat "GET / HTTP/0.9" as a HTTP1.0 full request.
net.h v 1.04 (add function freereq)

Add the function freereq declaration.
net.c v 1.07 (add a function to free memory)

Add a function freereq.