New unit tests for DTD
Refactored DTD test
Added books example for testing
Improved DTD container and parser
Updated

NuGet specification and readme updated for v0.3
Decorated more elements with the DOM property, fixed a bug related to parsing CSS stylesheets.
Improved location, started parser and entities refactoring.
Improved character parsing (batched)
Cleanup
Removed HtmlToken.Characters -- the character token will now always return a string
Re-activated optional newline skipping for textarea / pre.
Added some tests from Gumbo
Fixed a few bugs in the parser.
Fixed a bug involving wrongly closed tags.
Added more unit tests from Gumbo
Fixed a bug regarding adding comments after the body
Added more tests.
Added more tests
More tests.
Improved the entities retrieval (instruction to data driven).