v1.10.0

Unitful v1.10.0

Diff since v1.9.2

Closed issues:

• Add doc strings to units? (#436)
• incorrect preferred units conversion with atomic units (#457)
• numeric type not preserved in uconvert (#502)
• one and zero exhibit different behaviors. (#508)

Merged pull requests:

• Unit construction macro now defines docs for units (#476) (@lukebemish)
• Attempt to allow preferunits to work with non-pure units (#478) (@lukebemish)
• make norm use norm rather than abs (#500) (@oscardssmith)
• support broadcasting on ranges (#501) (@aplavin)
• fix range eltype (#503) (@aplavin)
• Fix some major invalidations to improve compile times (#509) (@ChrisRackauckas)