The program consist of 3 Classes:
1 - Main Class HttpcClient.java
2- Command class httpcCommand.java that parses the user input and forward the correct request to:
3- HttpcLibrary.java that open a socket, send, receive, the request. (Contains all functional methods)

Test Queries:

httpc get 'http://httpbin.org/get?course=networking&assignment=1'

httpc get -v 'http://httpbin.org/get?course=networking&assignment=1'

httpc post -h Content-Type:application/json --d '{"Assignment": 1}' http://httpbin.org/post


httpc post -h Content-Type:application/json --d '{"Assignment": 1}' -f input.txt http://httpbin.org/post
(Error, cannot use -d and -f)


Optional:

httpc get -v 'http://httpbin.org/get?course=networking&assignment=1' -o output.txt

httpc post -h Content-Type:application/json -f input.txt http://httpbin.org/post

httpc post -h Content-Type:application/json --d '{"Assignment": 1}' http://localhost:9999

LA2 Requests:

1) GET /
httpc get -v http://localhost:9999

2) GET /public/
httpc get -v http://localhost:9999/public/

3) GET /file.txt
httpc get -v http://localhost:9999/file.txt

4) GET /nt.txt
httpc get -v http://localhost:9999/nt.txt

5) POST / 
httpc post -v http://localhost:9999/

6) POST /nt.txt
httpc post -h Content-Type:application/json --d '{"data":"somedata"}' http://localhost:9999/nt.txt

7) POST /text.js
httpc post -h Content-Type:application/json --d '{"data":"somedata"}' http://localhost:9999/nt1.txt