Additional config feature, documentation, and functionality improvements

Additional config features

Merge pull request PatternBuilder#24 from humbertoluna/master

Use twig version ^1.38

Merge pull request PatternBuilder#10 from PatternBuilder/dev-fonts

dev-fonts

Add changelog

Support at data and yaml (PatternBuilder#3)

* Init feature updates

* changed function to more general name, support for JSON data as well

* Fixed bug when @DaTa was JSON

* Fixed 5.3.3 compatibility issues

* fixed var name in if statement

* Fixed if statement...again

* Fixed bad tick marks

* Fixed incorrect quote marks in data_replace function

Update README.md