4.1.0
README
Add patches - code runs before sources registration, new property in settings
Add patch_bs_js() - new patch adds send_js " console.error('any code evaluation') "
Add websockets interaction support - settings interaction, and new file example
Add print_settings_new(source) , set_settings52(source, opts)
Update Readme - fix erros, and add new examples of code
Update event loop
Fix hotkey 0;