Merge pull request #11 from lolbot-iichan/0.3

Merged from lolbot-iichan/0.3: "extended <var/> to support more operations"
Thanks for contributing!
Merge pull request #12 from lolbot-iichan/0.3

support for <goto scene="{$lbl}"/> and <sub scene="{$lbl}"/>
Thanks for contributing!
V0.3.5: Added fadeDuration= attribute to Textbox declaration:

Default is 0 milliseconds now which means no fade.
Set this attribute to get a "smooth" transition
between lines.

Changed version to 0.3.5.
Merge branch '0.3' of https://github.com/jsteinbeck/WebStory-Engine into 0.3
V0.3.6: Fixed: Textbox set text before triggering fade effect.
Fixed: wait command ignored duration= attribute.
Changed version to 0.3.7.
Updated changelog.