added kw substitution
added README
updated to use numpy instead of outdated Numeric
updated LabPro_PyUSB.py for libusb1.0 based PyUSB
brought hp_8753e_network_analyzer.py up to date with Numeric->numpy conversion
updated hessian stepper infitting_toolkit to get rid of old Numeric spelling of NewAxis, now is newaxis
general cleanup and update for new sourceforge site
made parameter freezing in hessian fit work by deleting rows and columns from matrix for better efficiency
changed find_peak to make it less likely to collapse on a noisy peak
made handling of covariance matrix more reasonable withfrozen parameters
hardened vxi_11.py against abortPort=0 response from some devices
fixed other issues with empty abort_channel in vxi_11.py
made peak finder more robust against peaks with bad tails
made frozen array in fitting_toolkit explicitly numpy.int8