Connected-components-3d

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* release(1.12.0): better memory bounds for 8 and 26 connected
* chore: upload changelog
* docs: describe why the rule holds for binary image memory
* perf: use far less memory for 8 and 26 connected binary images

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* release(1.11.0): using BBDT for 4-connected 2D
* perf: use block based decision tree for 4-connected problem (44)
* chore: update ChangeLog

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* release(1.10.0): faster relabeling operation
* perf(relabel): collapse union-find into simple array remap (45)
* docs: discuss where multi-label images come from
* fix: missing docker build command for manylinux2014
* chore: update changelog
* chore: add python3.8 to setup.cfg
* chore(manylinux): manylinux newer dockers drop py34 and support py38

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* release(1.9.0): lower memory usage for binary images
* perf(binary images): reduce max\_labels based on theoretical maximums (43)
* fix(cpp): std::vector needs inclusion for direct compilation
* chore(manylinux2014): adapt build\_linux.sh script
* chore(manylinux2014): python3.9 not ready for prime-time
* chore(manylinux2014): add dockerfile
* chore(linux): added streamlined build process for linux
* chore(manylinux2010): add dockerfile for build
* chore: update to production/stable Trove identifier
* fix(tox): make sure the binary is compiled first
* chore: update changelog

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* release(1.8.0): performance specialization for 2D 8-connected images
* perf: specialization for 8-connected (39)
* chore: update Dockerfile for py38 and add tox.ini to speed up macOS builds

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* release(1.7.0): much faster region graph function
* test: skip high mem test if it's likely to be on AppVeyor
* chore: ensure appveyor installs all testing dependencies
* test: expose some parameterizations of tests
* test: allow small instances to fail running 512 segmentation
* chore: add appveyor for building windows binaries
* perf: faster region graph function (36)
* docs: mention size of label limitation and fastremap