Dwave-cloud-client

New Features
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- Annotated `Future.sampleset` with `.wait_id` method (377)
- Added `dispatches_events` decorator that can be used to simplify event dispatch on method entry and exit (443/455)
- CLI: added `--client` option to override the client type used (458)

Fixes
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- Dispatch sampling events also from unstructured solvers (454)
- CLI: fixed solver by client filtering (457)
- Docs: added link checks (464), updated sphinx/conf (470)

Changes
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- CLI: deprecated `-c` flag (short for `--config-file`) in favor of `-f` (458)
- Dropped Python 3.5 support (467)
- Deprecated `Future.{eta_min,eta_max}` (468)

Fixes
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- Simplified CircleCI config
- Added general problem info (id/label) to unstructured solvers' response (449)

New Features
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- All SAPI requests retried whenever possible, controlled with new `http_retry_*` Client options (414)
- Introduced `SAPIError` base exception with SAPI error message and code, other exceptions reorganized in a backwards-compatible way
- Support for problem labels: `sample_*` methods accept optional `label` kwarg, and `Future.sampleset.info` contains `problem_label` (444)
- Switched to CircleCI (119)

Fixes
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- Handle remote disconnects in an edge case (229)

New Features
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- Support for python 3.9 (442)

Fixes
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- Improve error messages for multipart upload failures (433)
- Accept looser file-like for upload (435)

New Features
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- A discrete quadratic model solver, `dwave.cloud.solver.DQMSolver`
- New name for binary quadratic solver, `dwave.cloud.solver.BQMSolver`

Fixes
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- `Client.get_solver` has been known to mutate the `default_solver` (428). Now we make sure it doesn't.
- Setting kwargs explicitly to `None` in `Client.from_config` could overwrite config values (430). Now that too is fixed.