* New command line tool for transfering files / still very beta.
* add readme
* use cli11 for argument parsing
* json -> msgpack
* stop using base64 and use binary which can be stored in message pack
* introduce send fragment
* can pass a fin frame
* can send messages which are a perfect multiple of the chunk size
* set fin only for last fragment
* cleanup
* last fragment should be of type CONTINUATION
* Add simple send and receive programs
* speedups receiving + better way to wait for thing
* receive speedup by using linked list of chunks instead of large array
* document bug
* use chunks to receive data
* trailing spaces
