Make WTinyLFU / TinyLFU clonable (#19) #66

Job	Run time
rustfmt (ubuntu-latest)	13s
rustfmt (macos-latest)	18s
rustfmt (windows-latest)	30s
clippy (ubuntu-latest)	10s
cross (aarch64-unknown-linux-gnu)	2m 19s
clippy (macos-latest)	33s
cross (aarch64-linux-android)	2m 19s
build (ubuntu-latest)	22s
clippy (windows-latest)	1m 27s
cross (aarch64-unknown-linux-musl)	2m 6s
build (macos-latest)	31s
test (ubuntu-latest)	1m 36s
cross (i686-linux-android)	2m 4s
test (macos-latest)	1m 31s
build (windows-latest)	2m 33s
cross (x86_64-linux-android)	2m 23s
test (windows-latest)	3m 27s
docs	24s
cross (i686-pc-windows-gnu)	2m 16s
cross (x86_64-pc-windows-gnu)	2m 2s
cross (i686-unknown-linux-gnu)	1m 57s
miri (ubuntu-latest)	1m 13s
cross (powerpc64-unknown-linux-gnu)	2m 5s
miri (macos-latest)	1s
sanitizer (ubuntu-latest)	22s
miri (windows-latest)	18s
cross (riscv64gc-unknown-linux-gnu)	2m 13s
sanitizer (macos-latest)	34s
cross (wasm32-unknown-unknown)	10s
sanitizer (windows-latest)	33s
cross (wasm32-unknown-emscripten)	2m 31s
coverage	0s
	41m 1s

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