Pyrobox

Client-side Changes:
* Clicking on text files should show in UTF-8
Server-side Changes:
1. Added cookies
2. Introduced cache_control in send_file()
3. Fixed multiple send_response() code issue
4. Added send_header_string()
5. Text files now have `charset=utf-8` in header content-type
Fixes:
* text was not showing in UTF-8
TODO:
* make sidebar and user management
* drag and drop upload in entire page (show drop here popup like GITHUB)

Client-side Changes:
* Zip page shows more info (Calculating notice)
Server-side Changes:
* (RENAMED) Server.py util files
* Improved zip functionality and cache based speed boost
Fixes:
* While calculating zip size, client kept requesting zip size, which caused server to calculate zip size again and again
* and make new zip instance again and again
TODO:
* Study hard, exam soon

Client-side Changes:
* Updated Error page (with http.cat 😸)
Server-side Changes:
* Server.py file is now separated into multiple files
* `fs_utils.py` : File system utils
* `server.py` : Server
* `exceptions.py` : Exceptions
* `arg_parser.py` : New Argument parser
* `page_templates.py` : Page templates
* `zipfly_local.py` : Zipfly local version
* Added `--no-upload` and lots of other flags
Fixes:
* Fixed showing wrong port number
TODO:
* On flags, remove some right click options

Client-side Changes:
* Video plater page shows title of video
* Video player page predicts whether video is playable or not by Browser
Server-side Changes:
* Added manual password, use `--password` or `-k` flag to set password
* Using pyroboxCore as External module
* all prints are now using `logger.log|info|warn|error|debug` instead of `print`
* `TODO`: To change log level, use `--log-level` or `-l` flag
* To change log level programmatically, use `pyroboxCore.logger.setLevel(logging.DEBUG|INFO|WARN|ERROR)`
* REMOVED `pyrobox.clone` module (stil available in `dev_src` folder)
* The Entire server is now using `SimpleHTTPRequestHandler.on_req` decorator importing from pyroboxCore to handle requests
check v0.6.1 for more info
* added send_file function to pyroboxCore
* improved POST request handling

Fixes:
* FIXED Python 3.7 support
* Fixed Video player text issue https://github.com/RaSan147/py_httpserver_Ult/issues/70
* Fixed zip download not working
* Fixed many bugs