RFR 8153920: jshell tool: allow a parameter on the /vars /methods /classes commands

[Vicente-Arturo Romero-Zaldivar]

accepted,

Thanks,
Vicente


>Please review that allows the same parameters on /vars /methods and
>/types as allowed on /list -- thus one can look a specific snippet in
>detail:   /var x
>
>Bug:
>https://bugs.openjdk.java.net/browse/JDK-8153920
>
>Webrev:
>http://cr.openjdk.java.net/~rfield/8153920v0.webrev/ 
<http://cr.openjdk.java.net/%7Erfield/8153920v0.webrev/>
>
>Thanks,
>Robert