Add size_t to utils::Json*_element
Add torrent::to_json
Add list functionality to utils::Json_list_element
Fix bug in sockets::Client_socket

sockets::Client_socket::read_line sometimes addes random characters
to the and of the line
Remove old main.cpp file

How did it even get here?
Implement sending torrent data over sockets
Merge branch 'torrent_data_sending'