add flag for std libs

DOCS.md

@@ -3,9 +3,9 @@
 ## State Management
 
 ### New() *State
-Creates a new Lua state with all standard libraries loaded.
+New creates a new Lua state with optional standard libraries; true if not specified
 ```go
-L := luajit.New()
+L := luajit.New() // or luajit.New(false)
 defer L.Close()
 defer L.Cleanup()
 ```

README.md

@@ -22,7 +22,7 @@ You'll need LuaJIT's development files, but don't worry - we include libraries f
 
 Here's the simplest thing you can do:
 ```go
-L := luajit.New()
+L := luajit.New() // pass false to not load standard libs
 defer L.Close()
 defer L.Cleanup()
 

wrapper.go

@@ -55,13 +55,17 @@ type State struct {
 	L *C.lua_State
 }
 
-// New creates a new Lua state with all standard libraries loaded
-func New() *State {
+// New creates a new Lua state with optional standard libraries; true if not specified
+func New(openLibs ...bool) *State {
 	L := C.luaL_newstate()
 	if L == nil {
 		return nil
 	}
-	C.luaL_openlibs(L)
+
+	if len(openLibs) == 0 || openLibs[0] {
+		C.luaL_openlibs(L)
+	}
+
 	return &State{L: L}
 }