draft for heapsort, fix #10
up dep
update tests according to new version of js-functools
add heapsort to inplacesort test + style
fix heapsort draft
add heapsort tests with arity in range 1-5
style
add precision about the nature of the comparator function
style
change signature for better interoperability
change signature for better interoperability
update to new signatures + style
style
style
build
v2.0.0