Make improvements

- Add hierarchical auto-completion to redbean's repl
- Fetch latest localtime() and strftime() from Eggert
- Shave a few milliseconds off redbean start latency
- Fix redbean repl with multi-line statements
- Make the Lua unix module code more elegant
- Harden Lua data structure serialization

third_party/lua/ltests.c

@@ -1724,7 +1724,7 @@ static int runC (lua_State *L, lua_State *L1, const char *pc) {
       lua_error(L1);
     }
     else if EQ("abort") {
-      abort();
+      __die();
     }
     else if EQ("throw") {
 #if defined(__cplusplus)