url.absolute was not working when base_url was already parsed
http.request was redirecting even when the location header was empty
tcp{client}:shutdown() was checking for group instead of class.
tcp{client}:send() now returns i+sent-1...
get rid of a = socket.try() in the manual, except for protected cases. replace it with assert.
get rid of "base." kludge in package.loaded
check all "require("http")" etc in the manual.
make sure sock_gethostname.*  only return success if the hp is not null!
change 'l' prefix in C libraries to 'c' to avoid clash with LHF libraries
    don't forget the declarations in luasocket.h and mime.h!!!
setpeername was using udp{unconnected}
fixed a bug in http.lua that caused some requests to fail (Florian Berger)
fixed a bug in select.c that prevented sockets with descriptor 0 from working (Renato Maia)
fixed a "bug" that caused dns.toip to crash under uLinux
fixed a "bug" that caused a crash in gethostbyname under VMS
DEBUG and VERSION became _DEBUG and _VERSION