lots o fixes

examples/echoserver.m

@@ -0,0 +1,12 @@
+#!/usr/bin/env monkey-lang
+
+fd := socket("tcp4")
+bind(fd, "0.0.0.0:8000")
+listen(fd, 1)
+
+while (true) {
+  nfd := accept(fd)
+  msg := read(nfd)
+  write(nfd, msg)
+  close(nfd)
+}