function fix_save(filename)

    local f=stead.io.open(filename,"rb");

    if f~=nil then

        local content = f:read("*all");

        stead.io.close(f);

        if string.find(content, '0.10.0') == nil then

            print("Fixing save file");

            content = stead.string.gsub(content, '([^A-Za-z])rm([^A-Za-z])', '%1warehouse_32%2') .. '\nversion="0.10.0"\n';

            print(content)

            local f=stead.io.open(filename,"wb")

            if f ~= nil then