added functionality to stats.m for recall, fmeasre, gmean, error, and precision calculations
added functionality to stats.m for recall, fmeasre, gmean, error, and precision calculations. added gnu header as well.
learn++.nie builds runs without errors. still needs benchmarking
found an error in bagging varaition. subsample size was incorrect.
updated readme's
small changes to learn++.nie and unit test.
added parallel processing if a pool of workers is open when learn++.nie is called.
removed NIE for the moment