v0.8.1

ChainRulesCore v0.8.1

Diff since v0.8.0

Closed issues:

• Proposal: Make pullback always take a single input (#152)

Merged pull requests:

• Test construct allocations on Julia v1.5+ (#166) (@nickrobinson251)
• Link to ColPrac (#169) (@oxinabox)
• Add real and imag methods for One and Zero (#171) (@MasonProtter)