Updated README
Added partial support to the SuperSimple parser
Added SuperSimple partials to the benchmark
Added some docs to the surface area of the library
Renamed some SyntaxTreeNode properties to remove compiler warnings
Move ITemplateParser into Parser namespace to hide it from Veil namespace when using library.
Move SyntaxTreeNode into Parser namespace to hide it from Veil namespace when using library.
Tidied up the EmitterExtensions. Many were not real extensions over an emitter and were specific to the compiler