v2.9.0

CausalityTools v2.9.0

Diff since v2.8.0

Closed issues:

• Move to DocumenterCitations.jl (#322)
• It should be impossible to use two-variable measures with three-variable functions (#324)
• Minor release with version lock on ComplexityMeasures.jl (#325)
• More informative printing for OCE if verbose (#328)

Merged pull requests:

• Restrict number of input arguments for all measures (#327) (@kahaaga)
• Better oce printing (#329) (@kahaaga)
• Use DocumenterCitations.jl (#330) (@kahaaga)
• Don't depend on Documenter (#332) (@kahaaga)