Create API for Mitsuku

[Leokuma]

http://www.square-bear.co.uk/mitsuku/nfchat.htm

[Leokuma]

Obs: Mitsuku doesn't seem tolerant to typos at all.

[Leokuma]

About seems to be a keyword. I don't think it's a good idea to filter it out since it can be used as a feature.

[Leokuma]

She can answer multiple messages at the same time. It returns an array.

It receives the messages normally in the request, separated by period, just like the input.

[Leokuma]

'cw'.concat(Date.now().toString(16))