Fix `vecdot` issue with new StaticArrays versions.

Fully switch to `Project.toml` setup.

Merge pull request #98 from tkoolen/tk/moi-0.8

Upgrade to MOI 0.8.x.

Merge pull request #96 from tkoolen/tk/prune-zero

Add prune_zero, prune_zero!

Minor readme update.

Merge pull request #91 from tkoolen/tk/update-moi-0.6

Update to MOI 0.6.

Stop requiring Documenter.

Merge pull request #84 from tkoolen/tk/parameter-ctors

Fix #67, sugar for creating Parameters that are updated externally.

Merge pull request #77 from tkoolen/tk/ship-functionwrappers

Fix #76, dealing with FunctionWrappers on 1.0.

Merge pull request #72 from tkoolen/tk/more-0.7

Fixes and CI for 0.7/1.0.