Did you mean? error responses

[billygriffin]

We want this product to feel like a helpful guide and not make you think too much. To that end, we'd like to implement a "Did you mean [command]?" in the event of misspellings.

The initial version of this should not be interactive but the person will need to retype the command.

[probablycorey]

I've got two bits of good news.

1. I spent some time studying string similarity algorithms and came up with some idea for how we can do this.
2. BUT it turns out the basic functionality is already included in the CLI framework we are using!

So I'm going to close this unless I get objections about how this isn't good enough!