Autocomplete after the eol command

[romainx]

Hello,

This is a draft to resolve #125. As the project is using argparse, I thought it was a good idea to use argcomplete. This implementation is very simple but it seems to do the trick.

# register eol with the shell's completion framework by running register-python-argcomplete:
eval "$(register-python-argcomplete eol)"
# use it
eol ne
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Cheers 🍰