* Adds Exponential Histograms aggregator
* Added aggregation to the pipeline.
Adjust to new bucket
* Add no allocation if cap is available.
* Expand tests
* Fix lint
* Fix 64 bit math on 386 platform.
* Fix tests to work in go 1.19.
Fix spelling error
* fix codespell
* Add example
* Update sdk/metric/aggregation/aggregation.go
Co-authored-by: Robert Pająk <pellared@hotmail.com>
* Update sdk/metric/aggregation/aggregation.go
* Update sdk/metric/aggregation/aggregation.go
* Changelog
* Fix move
* Address feedback from the PR.
* Update expo histo to new aggregator format.
* Fix lint
* Remove Zero Threshold from config of expo histograms
* Remove DefaultExponentialHistogram()
* Refactor GetBin, and address PR Feedback
* Address PR feedback
* Fix comment in wrong location
* Fix misapplied PR feedback
* Fix codespell
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Co-authored-by: Robert Pająk <pellared@hotmail.com>
Co-authored-by: Chester Cheung <cheung.zhy.csu@gmail.com>
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