Added test to check that find_nearest() within a range does not return a dud node. (it does - bug)
Added test to check that find_nearest() within a range does not return a
dud node. (it does - bug)

eddyxu/kdtree-serialization,kbranigan/libkdtree,nvmd/libkdtree,kbranigan/libkdtree,kbranigan/libkdtree,eddyxu/kdtree-serialization,nvmd/libkdtree,eddyxu/kdtree-serialization,nvmd/libkdtree