Digging time groups WIP

data/builtin.lua

data/mods/default/init.lua

src/CMakeLists.txt

src/clientserver.h

src/content_sao.cpp

src/game.cpp

src/inventory.h

src/itemdef.cpp

src/itemdef.h

src/main.cpp

src/materials.cpp

src/nodedef.cpp

src/nodedef.h

src/scriptapi.cpp

src/server.cpp

src/serverobject.cpp

src/serverremoteplayer.cpp

src/test.cpp

src/tool.cpp

src/tool.h