Support latest py2exe

Fix dll may not load

game_backuper/__init__.py

@@ -1,9 +1,22 @@
 __version__ = "1.0.0"
+import sys
+from platform import system
+if system() == 'Windows' and sys.version_info.minor > 7:
+    from os import add_dll_directory, environ, getcwd
+    from os.path import dirname, isdir
+    add_dll_directory(dirname(sys.executable))
+    add_dll_directory(getcwd())
+    for i in environ['PATH'].split(";"):
+        add_dll_directory(i)
+    for i in sys.path:
+        if isdir(i):
+            add_dll_directory(i)
+
+
 from game_backuper.main import main
 
 
 def start():
-    import sys
     try:
         sys.exit(main())
     except Exception: