Added new NLOWWEIGHT_ISO and NLOWDWEIGHT_ISO parameters that count the number of bad pixels within the measured isophotal footprint, and within one pixel of the detected isophotal footprint, respectively.
FLAGS_WEIGHT is now working without crashing.
Pushed version number to 2.9.3.

Removed singular matrix warning.
Added MATRIX_MODELERR measurement parameters.
Added DURATION_ANALYSIS measurement parameter.