create folder for cache

oxlib/cache.py

@@ -98,7 +98,10 @@ def _getCacheBase():
     return os.environ.get('oxCACHE', os.path.expanduser('~/.ox/cache'))
 
 def _getCacheDB():
-    return os.path.join(_getCacheBase(), "cache.sqlite")
+    path = _getCacheBase()
+    if not os.path.exists(os.path.dirname(path)):
+        os.makedirs(os.path.exists(os.path.dirname(path)))
+    return os.path.join(path, "cache.sqlite")
 
 def _connectDb():
     conn = sqlite3.connect(_getCacheDB(), timeout=10)

setup.py

@@ -20,7 +20,6 @@ setup(
     download_url="http://code.0xdb.org/python-oxlib/download",
     license="GPLv3",
     packages=['oxlib'],
-    zip_safe=False,
     keywords = [
     ],
     classifiers = [