todo-task

This program is used as a to do list , or task storage.

Usage:

$ ./task add 2 hello world >> Add a new item with priority 2 and text "hello world" to the list
$ ./task ls >> Show incomplete priority list items sorted by priority in ascending order
$ ./task del INDE >> Delete the incomplete item with the given index
$ ./task done INDEX >> Mark the incomplete item with the given index as complete
$ ./task help >> Show usage
$ ./task report >> Statistics