Add missing precedence information for UnaryPlus and Minus

Make sure dnumbers are printed as dnumbers even if they could be printed as ints

Fix indentation fix for InlineHTML printing

Fix wrong node signature in grammar

Fix problem with indented strings by introducing PrettyPrinter->pSafe

Slightly simplify grammar

Fix parsing of static methods with dynamic method name

fix doccomment

Optimize the NodeDumper (30% drop)

Measure time spent in parser, pretty printer and comparison

Fix formatting of markdown README

Add known issues

Fix InlineHTML printing

Rewrite README

Add missing rules to parser to allow a::${b}

Don't check for method existance in pretty printer anymore

Add goto support to pretty printer

Add doccomments and slightly change some APIs

Fix typo in grammar

Fix some pretty printing issues

Decouple NodeDumper from NodeAbstract

Make Node_Scalar instanceof Node_Expr

Remove Stmt_Noop

Furthre work on PrettyPrinter

Fix wrong Node signature for String_Scalar created by T_STRING_VARNAME