Update bh_core.py

-Thread reload fix
Update Main.sublime-menu

-Add Swap settings to menu
Update bh_plugin.py

-Cleaner plugin loading (same as the ST3 branch)
-Add toggle global enable command
-backport logging
-fix icon name
-update documentation
-remove duplicate text
Python 3 support info
Update readme.md
-remove carriage returns
Ensure carriage returns are stripped on plugin read
-Expose traceback of plugin fail
-Prepend all bh_logging and bh_debug messages with "BracketHighlighter:"  So that it doesn't have to manually be done everytime
-Ugly fix for keycommands breaking post_match and compare plugins
-delay key command so as to not overlap background matching
Fixed Ruby conditional open statements concerning "do"
Merge pull request #77 from fabianfetik/master

Fixed missing word boundary character in ruby conditional open statements
Update readme.md, including a table of contents

Added a table of contents and som cross-referencing anchorlinks plus other minor changes/fixes.
Merge pull request #82 from FichteFoll/patch-1

Update readme.md, including a table of contents
-Fix sub string bracket remove
-Fix Swapping
-Fix sloppy Busy implementation