Resolved some typos and improved the documentation.
Updated version number of plgn_batch_processing.nscr
Updated some packages and plugins to reflect the features of v1.1.3
Added code metrics plugin
Updated tools package
Added file tools package
Added a generator and a printer to the Sudoku package
Renamed plgn_batch.nscr and updated it with the newest version of the plugin.
Added pkg_sudoku.nscr as special interest package.
Test update