v0.4.0: Update to 0.7 (#61)

* copy upon reinterpret

* missed one!

* static T

* @noinline reinterpret_or_copy

* @compat Array{T}(uninitialized, ...), needed for performance

* deleted scratch.jl

* more 0.7 updates

v0.3.0

remove using compat (#47)

v0.2.0: loosen compat requirement to 0.17 (#42)

no parametric type aliases are used here currently, only
0.17 is needed for abstract type syntax

v0.1.1: Enable construction and queries for empty trees (#36)

* Allow 0 point tree

* Clean up check_k function

* Add tests for empty trees

doi

remove default value from evaluate (#34)