Callback + demo

• #1: added callback hook that gives the generated epub blob
• added gulp target 'demo'

v1.1.6

allow title not to be rendered in case it's included in the content a…

v1.1.5

Bugfix

v1.1.4

Allow title to be omitted in case it is included in the content itself.

v1.1.3

You van now completely replace the original CSS with a custom stylesheet

v1.1.2

Added support for custom a stylesheet by API

v1.1.1

removed double typing

v1.1.0

dynamic mimetype based on image url

v1.0.12

dynamic mimetype based on image url

v1.0.11

use epubtype for landmark if title is missing