Decreased jquery requests and extension support implemented

tab container limit modified

major fixes:request managed;ask before closing while saving;added widget;settings added and reactive; overflow container size constant

hotkeys, timers; need to adjust minor design, and asking user about quitting while saving

Update README.md

Update README.md

Update README.md

update to pyhk library

prev known bugs fixed

ajax error need to fix

separate /8letter works

refresh tab fixed; incomplete: immediate saving, content saving, .../randId url working

overflow number count fixed

tab refresh order fix, overflow count fix; bugs not yet fixed

cookie save; incomplete