adding some experimental pca stuff, along with with condor files and their associated shell scripts
variants of high level that take different parameters, may remove in the future
work on the new pyramid. next, need to figure out exactly what ill represent at each node and how to properly set up the kdtree initially
changed the parameter names in Pyramid::bin() to dim0, dim1, dim2. now its easy to control the order of dimension evaluation by passing x, y, z feature location permutations. but we'll have to scale the x,y,z down to [0,1] to conform to this.