Fixes #114; Allow flattening options in objects #271

Job	Run time
build / linux-amd64 (Nim version-1-6)	1m 13s
build / linux-amd64 (Nim version-2-0)	1m 46s
build / linux-gcc-14-amd64 (Nim version-2-0)	1m 38s
build / linux-amd64 (Nim devel)	1m 39s
build / linux-amd64 (Nim version-2-2)	1m 29s
build / linux-gcc-14-amd64 (Nim version-2-2)	1m 36s
build / linux-gcc-14-amd64 (Nim version-1-6)	4m 37s
build / linux-gcc-14-amd64 (Nim devel)	1m 42s
build / windows-amd64 (Nim devel)	3m 21s
build / windows-amd64 (Nim version-2-2)	8m 23s
build / windows-amd64 (Nim version-2-0)	2m 52s
build / linux-i386 (Nim version-1-6)	1m 52s
build / linux-i386 (Nim version-2-0)	2m 8s
build / linux-i386 (Nim version-2-2)	2m 2s
build / macos-amd64 (Nim version-2-0)	3m 32s
build / macos-amd64 (Nim version-2-2)	2m 40s
build / linux-i386 (Nim devel)	3m 53s
build / windows-amd64 (Nim version-1-6)	2m 29s
build / macos-amd64 (Nim devel)	2m 37s
build / macos-amd64 (Nim version-1-6)	3m 12s
build / macos-arm64 (Nim version-2-0)	1m 53s
build / macos-arm64 (Nim version-1-6)	1m 29s
build / macos-arm64 (Nim version-2-2)	2m 1s
build / macos-arm64 (Nim devel)	2m 25s
	1h 2m 29s

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