Added TODO.txt

TODO.txt

@@ -0,0 +1,14 @@
+TODO:
+
+key: + = to add, - = to remove, x = completed, # = comment
+
++Append extensions to file name in save dialog
++Add option for multiple audio formats
++Dynamic libraries
++Create custom url entry dialog
++Url validation
++Percentage in progress bar
++Replace spaces in file name with dashes/underscores
++Make cancel button exit in url dialog
++Create dialog asking to play finished file or not
+#possibly more later