Fews-3di

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- Moving from temp to the actual file in a more windows-friendly way. (Moving
between a temp dir on ``c:`` and a target dir on ``d:`` isn't allowed).

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- Simulation templates are used to create a simulation to adjust to the new 3Di version.
- Added a seperate folder for the states of the staging (states_staging)

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- Requiring threedi-api-client 4.0.1 or higher. This has several import and
functionality changes, which we'll have to use (and compensate for). Some
items to watch out for:

- The api host setting should not include the api version number.

- Preferrably, don't add a trailing slash to the api host url.

- ``.login()`` no longer needs to be called. threedi-api-client handles it
automatically. If you call it, you get a deprecation warning.

- ``--allow-missing-saved-state`` also works if there are no states found.

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- Added optional api_host parameter to the settings file.

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- Added missing requests dependency to package setup.

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- Added possibility to write state at specific time intervall.