2.0.0 Release

[nblumhardt]

V2 is feature-complete! Some testing on the -dev version remains to do, but the final changelist should be something like:

• Obsolete/replace Tokenizer.Position to make stateless tokenizers possible #12 - removes Tokenizer.Previous - breaking
• Added Between() combinator #19 - Between() combinator
• Support for creating an empty result based on expected tokens #23 - create empty results based on expected tokens
• Chain without recursion #21 - Chain() without recursion
• Initial round of v2 changes #25 - TokenizerBuilder
• Initial round of v2 changes #25 - accept a sign +/- to Numerics.Integer, introduces Numerics.Natural with the old behavior
• Initial round of v2 changes #25 - new recognizers and parsers - Comment.CStyle, CPlusPlusStyle, SqlStyle, ShellStyleandToEndOfLine(p), Span.Regex(), Numerics.IntegerInt64, Numerics.Natural*` variants
• Initial round of v2 changes #25 - adds TextSpan.Skip() and IsMatch() extension on text parsers
• Initial round of v2 changes #25 - Span.While() and Span.Until() renamed Span.WithoutAny() and Span.WithAll(), no longer accept zero-length matches - breaking
• A number of handy additional text parsers #30 - a variety of new library parsers - Instance.Iso8601DateTime, Numerics.HexDigits(), HexUInt32(), HexUInt64(), Decimal(), Identifier.CStyle, Cast() combinator, QuotedString.SqlStyle()
• Repeat combinator #32 - Repeat() combinator
• A variant of Apply() that works with any TextParser<TextSpan> #33 - Apply() on TextSpans
• Annotated JSON parser example #34 - JSON parser example
• Add support for C style quoted strings #35 - support for C-style quoted strings
• Improved terminated-list error reporting by allowing an alternate end delimiter #40 - improved error reporting for ManyDelimitedBy()

Thanks @kthompson @anders-rasmussen @ejsmith for your contributions :-)