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**PR 3: Miscellaneous Refinements**
* Various unrelated things in response to alpha testing by Sarah Reiff.
* Make an explicit dependency on awscli so if someone doesn't have that
globally loaded, it gets loaded by Poetry.
* **[Incompatible change]** Simplify the name of the key file to ``~/.cgap-keys.json``
rather than ``~/.cgap-keydicts.json`` to avoid Python-specific
terminology that users may not care about.
.. warning::
This is an **incompatible change**. However, we're still in major version 0,
and such changes are allowed there. It only requires renaming your
keys file.)
* Make it possible to use an alternate keyfile, but only by
setting an environment variable, ``CGAP_KEY_FILE``, so that ordinary users
aren't doing this, as they should need to.
* Special handling of talking to a server that doesn't have the necessary
support. Hopefully not a problem going forward, but just in case.
* Add a show-upload-info script (``scripts/show_upload_info.py``).
* Rearrange documentation to have installation covered in its own file.
* Extend documentation related to testing, especially interactively.
* Delete ``proto_submit.py.txt``, which was part of initial scaffolding
for this repo and is no longer useful.