v0.10.0: Remove V <: Real type restriction (#369)

Instead, use an extensible function that the constructor uses to
check whether a type is valid to be used as `Dual`'s scalar type.

Fixes #216

v0.9.0: Revert "Use broadcast expressions instead of some loops." (#354)

This reverts commit 19003af62af38a110fa6ec12d3b52cd3451e4a03.

See https://github.com/JuliaDiff/ForwardDiff.jl/pull/353#issuecomment-417688351

v0.8.5

undeprecate constructor <--> convert pun for Dual (#347)

v0.8.4

remove workaround for StaticArrays API breakage now that they have fi…

v0.8.3

fix constructor ambiguity introduced by #337 (#342)

v0.8.2: various fixes for v0.7/1.0 (#340)

* various fixes for v0.7/1.0

* remove old depwarns that have hung around for more than a release cycle

* use ≈ instead of == for Dual auto-tests

v0.8.1

Enable SIMD with Base.literal_pow (#332)

v0.8.0: Special case x^0 (#331)

fixes #330

v0.7.5

disable CSE warnings since we are okay with not CSEing if CommonSubex…

v0.7.4

remove redundant abs definition post-DiffRules v0.0.4