dev_tools/qgistoolbox: option added, load all standard tool libraries (boxes will be created only for loaded libraries!)
helper/make_saga_release.bat: after python toolbox creation (using pysaga) remove __pycache__ folder
dev_tools/arctoolbox: option added, load all standard tool libraries (boxes will be created only for loaded libraries!)
pj_proj4/crs_base: update for deprecated parameters CRS_EPSG/_AUTHORITY
saga_api, CSG_Parameters_Grid_Target: option added for user defined target grid system, rounding bounds to multiples of cell size
saga_api, math_tools.h: M_HAS_DECIMALS(x) makro added
saga_api, CSG_Projection(s): generate description from wkt-2
pj_proj4/crs_definition, for debug purposes only: option added to request wkt-2 as xml