Improved performance evaluation code
Merge branch 'master' of https://github.com/FlorianRappl/AngleSharp into devel
Extended the specification
Added additional elements and flags
Rewrote ToString method
Implemented official stringification algorithm
Official ToHtml method
Adjusted to new node names
Stringification re-made
Uses the right stringification algorithm (with flags)
Adjusted to use new elements
Extensions made more general / useful
Added new files