Joe-noh/declaimer — pull request #16 by Joe-noh (2014-09-13 18:47:17+00:00)
Title: add left and right

This PR adds new DSL, `left` and `right`.

They enclose their contents in `

`.
It divides the slide into 2 parts.

One of the great use-case is placing an image on a side and its description on another side.