Don't require the element to be provided to `percolate_down!` and `percolate_up!`#960

devmotion merged 5 commits intoJuliaCollections:masterJuliaCollections/DataStructures.jl:masterfrom

Drvi:td-percolate-down-tweakDrvi/DataStructures.jl:td-percolate-down-tweakCopy head branch name to clipboard