Remote exec utility function
$ pip install -r requirements.txt
$ python setup.py build
Executable server and client are located in build/../
For server, copy config.default to build/../
Server machine: ./server config-file
format:
```
[username]
password=1234
permissions=ls,tree,ps
```
Client machine: ./client
--server <server ip>
--user <username>
--password <password>
--exec <program to execute>