just playing around
file header mark added
tests are currently not passed
test were broken because of inefficient debug function
one common dataset in tests to reduce the test time
tests are passed now
rename node_ptr to node_3d_ptr
enough for now
broken nah
finally fixed one bug with segfaults
just playing around
added true k-d to the guts
work in progress, root/1 and node/2
fix gettree/1
removed extra debug stuff
insert/2
playing with store/2
bugfix
store/2 and load/1 are done
search/2 done