Added preliminary Nystrom extension implementation. Need to consolidate.

Added unoptimized contact map distance metric.

Added density adaptive. Removed LSD. Added normalizations.

Copy dmat for python compatibility.

Correction to diffusion solver.

Plasma!

Updated example in readme.

Added euclidean metric and updated weight definitions.

Initial readme update.

Added local scale estimation.

Performance optimization.

Switched kernel to column major matrix

Initial addition of diffusion map class.

Added spectra.

Added binary load/save.