Cloud-volume

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* Version 0.43.0
* feat(skeletonservice): joint preserving downsample (177)

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* Version 0.42.3
* fix: single mesh id save adds file suffix if filepath is None
* fix: ensure fused mesh construction order stability
* fix: make mesh vertices a uniform float32 array

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* Version 0.42.2
* fix: https get\_files
* chore: tab size 2 for test\_storage.py
* docs: upload ChangeLog

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* Version 0.42.1
* perf(meshservice): multithreaded mesh manifests (176)

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* Version 0.42.0
* fix: close requests streams (173)
* feat: support ellipsis operator
* fix: allow numpy scalar types for cloudvolume access
* feat(uviewer): cast 2D and 4D images to 3D automatically
* refactor(lib): remove unused list\_shape function
* fix: accomodate python2.7 in Bbox division
* test: bbox.subvoxel() vs pathological behavior of bbox.volume()
* feat: support dtype on Bbox
* fix: tests for subvoxel bounding box size were faulty
* feat: vol.skeleton.get now accepts multiple segids

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* Version 0.41.0
* allow reestablishing viewer server in the same python session (169)
* feat(skeletonservice): upload takes PrecomputedSkeleton as input