Changed require"luasocket" to require"socket".

test/mimetest.lua

@@ -1,4 +1,4 @@
-require "luasocket"
+require "socket"
 require "ltn12"
 require "mime"
 

test/testclnt.lua

@@ -1,4 +1,4 @@
-require "luasocket"
+require"socket"
 
 host = host or "localhost"
 port = port or "8080"

test/testmesg.lua

@@ -43,7 +43,7 @@ mesgt = {
 
 -- sink = ltn12.sink.file(io.stdout)
 -- source = ltn12.source.chain(socket.smtp.message(mesgt), socket.smtp.stuff())
--- ltn12.pump(source, sink)
+-- ltn12.pump.all(source, sink)
 
 print(socket.smtp.send {
     rcpt = "<diego@cs.princeton.edu>",

test/testsrvr.lua

@@ -1,4 +1,4 @@
-require "luasocket"
+require"socket"
 
 host = host or "localhost"
 port = port or "8080"