To canadagirl Rated 5 out of 5 stars
You can name each tab by right-clicking the tab (the rename option is on the bottom of the list), or use "ctrl +shift +R".
I'm using QN 0.6.0.4, the version before the current one.
P.S. The developer has said that he's not actively working on QuickNote anymore; else, I would ditto your 1st & 3rd requests. :p