Make unified_inventory able to check multiple groups at once  - Modified code in unified_inventory's api.lua to check every group in a recipe. Eg.: group:flora,colour_green.    Both groups flora and colour_green will be checked.
Make unified_inventory able to check multiple groups at once
 - Modified code in unified_inventory's api.lua to check every group in a recipe. Eg.: group:flora,colour_green.
   Both groups flora and colour_green will be checked.

Gael-de-Sailly/minetest-minetestforfun-server,LeMagnesium/minetest-minetestforfun-server,MinetestForFun/minetest-minetestforfun-server,Coethium/server-minetestforfun,sys4-fr/server-minetestforfun,LeMagnesium/minetest-minetestforfun-server,Ombridride/minetest-minetestforfun-server,crabman77/minetest-minetestforfun-server,Coethium/server-minetestforfun,crabman77/minetest-minetestforfun-server,paly2/minetest-minetestforfun-server,Gael-de-Sailly/minetest-minetestforfun-server,paly2/minetest-minetestforfun-server,crabman77/minetest-minetestforfun-server,LeMagnesium/minetest-minetestforfun-server,MinetestForFun/server-minetestforfun,Ombridride/minetest-minetestforfun-server,MinetestForFun/minetest-minetestforfun-server,Coethium/server-minetestforfun,Gael-de-Sailly/minetest-minetestforfun-server,MinetestForFun/server-minetestforfun,MinetestForFun/minetest-minetestforfun-server,Ombridride/minetest-minetestforfun-server,sys4-fr/server-minetestforfun,MinetestForFun/server-minetestforfun,sys4-fr/server-minetestforfun