Alpha-1.4.0

• Added a date chooser or calendar gui for the due date
• Added an option menu for priority
• Added Reset after a modification in config
• Added done button in specific task window, choose a subtask within the chosen task to remove as done
• Added settings for each window (Only Topmost option available)
• Added Check for almost due tasks
• Subtask near due date pop up
• Backup disable and enable config
• Minimizable to taskbar config
• Change some text buttons
• Fixed Specific Showed Task not closing the other windows
• Fixed error messages