Windows fixes and iface indexes #160

Job	Run time
Build Linux wheels	1m 40s
Run pre-commit	1m 36s
Build Linux legacy wheels (x86_64)	1m 6s
Build Linux wheels (i686)	1m 20s
Build Linux legacy wheels (s390x)	1m 13s
Build Linux musl wheels (x86_64)	51s
Build Linux wheels (s390x)	1m 19s
Build Linux legacy wheels (ppc64le)	1m 17s
Build MacOS wheels	1m 18s
Build Linux musl wheels (aarch64)	53s
Build Linux wheels (ppc64)	1m 23s
Build Linux legacy wheels (aarch64)	1m 20s
Build Linux musl wheels (i686)	51s
Build Windows wheels	4m 25s
Build Linux musl wheels (armv7l)	52s
Build Linux wheels (ppc64le)	1m 17s
Build Linux wheels (aarch64)	1m 31s
Build Linux wheels (armv7l)	1m 33s
release	0s
	25m 45s

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