split folder hierachy into bv and array #102

Job	Run time
Check Semantic Versioning	2m 0s
Check Minimum Rust Version	13s
Unit Tests (stable, default)	39s
Unit Tests (stable, bigint)	38s
Unit Tests (stable, serde1)	2m 4s
Unit Tests (stable, fraction1)	42s
Unit Tests (stable, bigint,serde1,fraction1)	54s
Unit Tests (beta, default)	43s
Unit Tests (beta, bigint)	2m 26s
Unit Tests (beta, serde1)	49s
Unit Tests (beta, fraction1)	2m 26s
Unit Tests (beta, bigint,serde1,fraction1)	52s
Unit Tests (nightly, default)	41s
Unit Tests (nightly, bigint)	2m 22s
Unit Tests (nightly, serde1)	48s
Unit Tests (nightly, fraction1)	46s
Unit Tests (nightly, bigint,serde1,fraction1)	50s
	19m 53s

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