`[?2004l` characters when outputing

[moneroexamples]

I encountered strange issue which prohibits cells from running in sequence as numerical outputs were postfixes with [?2004l or [?200hl:

Found that setting

bind 'set enable-bracketed-paste off'

in first cell fixes the issue:

[hcz]

Found that setting fixes the issue

bind 'set enable-bracketed-paste off'

Thanks, @moneroexamples!

[takluyver]

I think #120 should fix this.