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This method allows to mimic ResultSet.get_entities(col: number) CW method.

Also trim cookie names correctly.

On Node, node-fetch merges "Set-Cookie" headers into a single one.
Without this only one cookie was retrieved.

Otherwise it is set only once when script is run.

It requires less setup and it is more common inside of Logilab.

We add a test-server cube which is then used to run tests.

The function is not exported and is not used the file its declared in.

There is no such thing as `document` in node. We should find another way
to get the csrf token in this case.

This prevents sending our local CSRF token to a 3rd party website, which is a
security issue. The 3rd party website could use this token to forge requests
bypassing the CSRF protection.

We move from awesome-typescript-loader (which is unmaintained) to
ts-loader and also upgrade webpack to be able to use the latest version
of ts-loader.
This new tool also emits declaration files for test files. We add
a tsconfig.build.json which ignores .spec.ts files and we make ts-loader
use this configuration file.

This adds three workflow related rql query creators.
They return a bound rql query (a tuple [query, vars]) directly usable
with transactionV2.
The result extraction is left to the user but is documented for each
query.
We could add a wrapper doing the query and extraction later but I don't
know which form it could take.

Closes #3.