• Break change configuration for module language server, transport now
  require specified value.
• Break change new algorithm for socre complete items.
• Add command workspace.clearWatchman.
• Add quickfixs, doCodeAction and doQuickfix actions.
• Add g:vim_node_rpc_args for debug purpose.
• Add coc#add_extension() for specify extentions to install.
• Fix clients not restarted on CocRestart.
• Fix execArgv and runtime not work for node language server.
• Fix detail of complete item not echoed sometimes.
• Fix actions missing when registed with same clientId.
• Fix issues with signature echo.
• Fix uri is wrong with whitespace.
• Improve highlight performance with nvim_call_atomic.