Completed 10 of 13 -- learnyounode

Write a TCP time server!

Your server should listen to TCP connections on the port provided by the
first a
rgument to your program. For each connection you must write the current
date & 2
4 hour time in the format:

"YYYY-MM-DD hh:mm"

followed by a newline character. Month, day, hour and minute must be
zero-filled
to 2 integers. For example:

"2013-07-06 17:42"
Completed 11 of 13 -- learnyounode

Write an HTTP server that serves the same text file for each request it
receives
.

Your server should listen on the port provided by the first argument to
your pro
gram.

You will be provided with the location of the file to serve as the
second comman
d-line argument. You must use the fs.createReadStream() method to stream
the fil
e contents to the response.
Completed 12 of 13 -- learnyounode

Write an HTTP server that receives only POST requests and converts
incoming POST
body characters to upper-case and returns it to the client.

Your server should listen on the port provided by the first argument to
your pro
gram.