Release v0.9.1 is a minor release in the v0.9 branch.
Fixes since v0.9.0:
85aaece graph/flow: improve consistency of coverage reports
274425a graph/traverse: fix depth first traversal order and tighten tests
eaef827 internal/asm/f32: add assembly Sum implementation (6ac0a47, 3b45c29 and a845a6a)
59304b0 internal/asm/f64: fix bug and clean up variable names
f0bf462 stat/mds: add warning about ED numerical stability
3235e0a interp: Fix error in calculateSlopes for two (X, Y) points