Prepare 0.2.0

• Now stdin_request is supported.
• Restart / Interrupt / Shutdown kernel commands are implemented.
• Fixed some bugs.

0.1.1

Some improvements.

• Show kernel info on the status bar.
• Selection, if any, is used by "Hermes: Execute Block" command.
• Autocomplete now uses not only prefix to infer completions but the whole cursor line.

Initial release

Initial release.
Connecting to kernel, code execution, autocomplete are supported.
A lot of work is still required to make this package practical, but I decided to make it as a initial release because I want some feed backs from people who will be interested by this kind of package.