ENH Cleanup multiview API and enable oblique multiview #1343

Job	Run time
Source distribution	1m 58s
Build wheels on manylinux - x86_64 with Python cp39	2m 8s
Build wheels on Arm M1 with Python cp39	1m 56s
Build wheels on manylinux - x86_64 with Python cp310	2m 2s
Build wheels on Arm M1 with Python cp310	1m 53s
Build wheels on manylinux - x86_64 with Python cp311	2m 4s
Build wheels on Arm M1 with Python cp311	2m 14s
Build wheels on manylinux - x86_64 with Python cp312	2m 2s
Build wheels on Arm M1 with Python cp312	1m 57s
Build wheels on macosx - x86_64 with Python cp39	4m 14s
Build wheels on macosx - x86_64 with Python cp310	4m 30s
Build wheels on macosx - x86_64 with Python cp311	4m 19s
Build wheels on macosx - x86_64 with Python cp312	3m 44s
Build wheels on win - AMD64 with Python cp39	5m 2s
Build wheels on win - AMD64 with Python cp310	5m 34s
Build wheels on win - AMD64 with Python cp311	4m 27s
Build wheels on win - AMD64 with Python cp312	4m 53s
Merge all wheels into one directory	6s
	55m 3s

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