fix some build issues

binding.gyp

@@ -4,7 +4,7 @@
       "target_name": "nodelua",
       "variables": {
         "lua_include": "<!(find /usr/include /usr/local/include -name lua.h | sed s/lua.h//)",
-	"lua_version": "<!(lua -v 2>&1 | grep -o '\d\.\d')"
+	"lua_version": "<!(lua -v 2>&1 | grep -o '[0-9]\.[0-9]')"
         },
       "sources": [
         "src/utils.cc",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nodelua",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "Lua Bindings For Node.JS",
   "keywords": [
     "lua"

src/luastate.cc

@@ -76,7 +76,7 @@ void do_string(uv_work_t *req){
 
   if(luaL_dostring(baton->state->lua_, baton->data)){
     baton->error = true;
-    sprintf(baton->msg, "Exception Of Lua Code Has Failed:\n%s\n", baton->data, lua_tostring(baton->state->lua_, -1));
+    sprintf(baton->msg, "Exception Of Lua Code Has Failed:\n%s\n", lua_tostring(baton->state->lua_, -1));
   }
 }