Expose globals in root of Lua scripts

common/space_lua.ts

@@ -33,6 +33,7 @@ export class SpaceLuaEnvironment {
     try {
       this.env = buildLuaEnv(system, scriptEnv);
       const tl = new LuaEnv();
+      tl.setLocal("_GLOBAL", this.env);
       for (const script of allScripts) {
         try {
           console.log("Now evaluating", script.ref);

common/space_lua/stdlib.ts

@@ -27,7 +27,7 @@ import type {
 import { templateApi } from "$common/space_lua/stdlib/template.ts";
 
 const printFunction = new LuaBuiltinFunction(async (_sf, ...args) => {
-  console.log("[Lua]", ...(await Promise.all(args)));
+  console.log("[Lua]", ...(await Promise.all(args.map(luaToString))));
 });
 
 const assertFunction = new LuaBuiltinFunction(