Fixed single file execution

.gitignore

@@ -97,4 +97,4 @@ ENV/
 # IMages
 *.jpg
 *.jpeg
-*.JPG
+*.JPG

SimplePanoramaViewer

@@ -26,7 +26,10 @@ if img == "":
 img = img.replace("\\", "/")
 img = img.replace("'", "\\'")
 
-exe_dir = path.dirname(path.realpath(sys.argv[0]))
+if getattr( sys, 'frozen', False ) :
+	exe_dir = path.realpath(sys._MEIPASS)
+else :
+	exe_dir = path.dirname(path.realpath(__file__))
 os.chdir(exe_dir)
 
 try: