v1.06 - Sidebar Query Fix, Sort Order Fix

Sidebar Right Important Links System
- Properly query ALL posts
- Cleanup logic

Post Sort Order
- Ensure it sorts OLDEST to NEWEST (meaning the first Lessons to the Last lessons)

Previous & Next Buttons
- Properly Parse the Lesson Name/Number to ensure the logic works properly
-- 7A..is now 7a (without destroying the string)