Merge branch 'master' into cs/ocsp

README.md

@@ -27,7 +27,7 @@ On macOS you can also use homebrew to install:
 
     brew install certigo
 
-Note that certigo requires Go 1.9 or later to build.
+Note that certigo requires Go 1.10 or later to build.
 
 ### Develop
 

main.go

@@ -75,6 +75,8 @@ func main() {
 
 	// Alias starttls to start-tls
 	connect.Flag("starttls", "").Hidden().EnumVar(connectStartTLS, starttls.Protocols...)
+	// Use long help because many useful flags are under subcommands
+	app.UsageTemplate(kingpin.LongHelpTemplate)
 
 	stdout := colorable.NewColorableStdout()
 	result := simpleResult{}