diff --git a/.gitignore b/.gitignore
index 4f53c85..5a84001 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
 *.o
-einstein
+__pycache__
diff --git a/einstein b/einstein
new file mode 100755
index 0000000..b274343
--- /dev/null
+++ b/einstein
@@ -0,0 +1,7 @@
+#! /usr/bin/env python3
+
+import sys
+
+from einsteingame.main import main
+
+main(*sys.argv)
diff --git a/einsteingame/i18n.py b/einsteingame/i18n.py
index 833853b..aa88ba7 100644
--- a/einsteingame/i18n.py
+++ b/einsteingame/i18n.py
@@ -1,10 +1,12 @@
+from locale import setlocale, LC_ALL, LC_NUMERIC
+
 class Locale(object):
     def __init__(self):
         self.parseLocale(setlocale(LC_ALL, ""))
         # hack because of numbers in Lua
         setlocale(LC_NUMERIC, "C")
 
-    def parseLocale(name):
+    def parseLocale(self, name):
         pos = name.find('.')
 
         langAndCountry = None
@@ -80,15 +82,17 @@ def splitFileName(fileName):
     return name, ext, lang, country
 
 def getScore(lang, country, locale):
-    if len(country) == 0 and len(locale) == 0:
+    if len(country) == 0 and len(lang) == 0:
         return 1
 
     score = 0
 
-    if (locale.getCountry().length() && (locale.getCountry() == country))
-        score += 2;
-    if (locale.getLanguage().length() && (locale.getLanguage() == lang))
-        score += 4;
+    if locale.getCountry() == country:
+        score += 2
 
-    return score;
-}
+    if locale.getLanguage() == lang:
+        score += 4
+
+    return score
+
+locale = Locale()
diff --git a/einsteingame/resources.py b/einsteingame/resources.py
index 742da6e..c5b5f2d 100644
--- a/einsteingame/resources.py
+++ b/einsteingame/resources.py
@@ -3,7 +3,7 @@ import struct
 import io
 
 from .buffer import Buffer
-from .i18n import splitFileName, getScore
+from .i18n import splitFileName, getScore, locale
 
 class ResourceError(Exception):
     def __init__(self, code=None):
@@ -88,6 +88,7 @@ class ResourcesCollection:
     def __init__(self, directories):
         self.__files = []
         self.__buffer = None
+        self.__resources = {}
         self.loadResourceFiles(directories)
         self.processFiles()
 
@@ -112,10 +113,11 @@ class ResourcesCollection:
 
                 if score > 0:
                     resName = name + '.' + ext
-                    res = resources[resName];
+                    res = self.__resources.get(resName, None)
+
                     if not res:
                         res = Resource(res_file, score, de, resName)
-                        resources[resName] = res;
+                        self.__resources[resName] = res
 
                         if len(de.group) > 0:
                             groups[de.group].append(res)