Add size and len for PageRange, PhysFrameRange, PageRangeInclusive and PhysFrameRangeInclusive #3113

Job	Run time
kani	1m 4s
Check Formatting	12s
Bootloader Integration Test (ubuntu-latest)	37s
Clippy	17s
Bootloader Integration Test (macos-latest)	53s
Semver Checks	30s
Bootloader Integration Test (windows-latest)	2m 17s
Test MSRV and Stable Features (nightly)	13s
Test (ubuntu-latest)	18s
Test MSRV and Stable Features (1.59)	22s
Test (macos-12)	39s
Test (macos-latest)	26s
Test (windows-latest)	43s
	8m 31s

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