Completed some of the functionality for g_isdorder. Added a -unscaled option to g_isdorder for raw output of ISD to help when attempting to estimate the scaling factor or rescaling limits. Altered the _n type functions in libisdm.c to return the mean of the indeces rather than the same output as the basic function types. The results will be qualitatively similar but not numerically identical and can be used to more correctly estimate the optimal values for the -sf, -zero, and -one command line options.