ENH: Added separate file for double precision kalman filter, along with a version that separates the kalman filer setup from the specific task of an iteration.
ENH: Added separate file for double precision kalman filter, along with a version that separates the kalman filer setup from the specific task of an iteration.

dismalpy/dismalpy,dismalpy/dismalpy,dismalpy/dismalpy,dismalpy/dismalpy