add wrapping code selection in a try-except block

add the screenshot to README

err.. one more try to get the release messaging right

oops.. fix broken JSON

refactor and simplify; no longer insert the import block;

fix obormot#8: support gutter icons;
(!) breaks compatiblity - refer to messages/0.3.0.txt for detail

change goto_breakpoint keyboard shortcut for Linux and Windows

move settings API under plugin_loaded() as required by ST3

fix obormot#4: make the debugger configurable

Update README.md

minor cleanup