date support.

[jcvtieck]

hey I added support to the date the item was checked. it will look like this:

• [X] this line has been crossed out[2017-11-22]

[jcvtieck]

sorry for the mess with the commits. I was trying to figure out how to run this from my local version. cheers, jc

[PKief]

Thank you, great idea. I've merged and published it to the marketplace.

[jcvtieck]

cool! thanks ; )