Add From<Bitmap> for Bitmap64 (#157) #373

Job	Run time
Test on ubuntu-latest using Rust stable with features ''	28s
Test on ubuntu-latest using Rust stable with features 'alloc'	34s
Test on ubuntu-latest using Rust stable with features 'default'	52s
Test on ubuntu-latest using Rust nightly with features ''	39s
Test on ubuntu-latest using Rust nightly with features 'alloc'	41s
Test on ubuntu-latest using Rust nightly with features 'default'	3m 13s
Test on windows-latest using Rust stable with features ''	2m 52s
Test on windows-latest using Rust stable with features 'alloc'	2m 4s
Test on windows-latest using Rust stable with features 'default'	3m 35s
Test on windows-latest using Rust nightly with features ''	3m 49s
Test on windows-latest using Rust nightly with features 'alloc'	3m 23s
Test on windows-latest using Rust nightly with features 'default'	4m 59s
Test on macos-latest using Rust stable with features ''	38s
Test on macos-latest using Rust stable with features 'alloc'	33s
Test on macos-latest using Rust stable with features 'default'	47s
Test on macos-latest using Rust nightly with features ''	52s
Test on macos-latest using Rust nightly with features 'alloc'	48s
Test on macos-latest using Rust nightly with features 'default'	1m 51s
	32m 38s

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