Pre-release changeset

[pavel-kirienko]

This changeset is too large but it is hard to split into smaller ones. Future changesets should be more manageable.

Implement https://forum.uavcan.org/t/alternative-transport-protocols-in-uavcan/324/45?u=pavel.kirienko

Fix https://github.com/UAVCAN/pyuavcan/issues/112

Fix https://github.com/UAVCAN/pyuavcan/issues/73

Probably fix https://github.com/UAVCAN/pyuavcan/issues/113; macOS is not tested against in CI. Reopen if not.

Test coverage of generated code is no longer measured. This resulted in an artificial increase of the reported code coverage up to ~96%.

Move external test dependencies into the repository tree under .test_deps to robustify CI pipelines.

Minorly improve the docs throughout.

[coveralls]

Pull Request Test Coverage Report for Build 36958690

• 2643 of 2738 (96.53%) changed or added relevant lines in 87 files are covered.
• 7 unchanged lines in 3 files lost coverage.
• Overall coverage increased (+9.6%) to 95.811%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pyuavcan/transport/_tracer.py	43	44	97.73%
pyuavcan/transport/can/_session/_output.py	38	39	97.44%
pyuavcan/transport/udp/_ip/_socket_factory.py	33	34	97.06%
pyuavcan/transport/udp/_udp.py	48	49	97.96%
tests/transport/redundant/_redundant.py	44	45	97.78%
pyuavcan/application/_node.py	5	7	71.43%
pyuavcan/presentation/_presentation.py	7	9	77.78%
pyuavcan/transport/serial/_frame.py	29	31	93.55%
pyuavcan/transport/udp/_session/_output.py	57	59	96.61%
pyuavcan/presentation/_port/_subscriber.py	16	19	84.21%
<!--	Total:	2643	2738	96.53%	-->

Files with Coverage Reduction	New Missed Lines	%
pyuavcan/presentation/_port/_subscriber.py	2	84.05%
pyuavcan/transport/serial/_serial.py	2	93.07%
pyuavcan/application/node_tracker.py	3	87.17%
<!--	Total:	7		-->

Totals
Change from base Build 36311335:	9.6%
Covered Lines:	12046
Relevant Lines:	12427

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💛 - Coveralls