Tags: benjamin-hodgson/Pidgin

strong naming, snupkg, internal improvements

CurrentOffset, Rec overload, Slice, and a bugfix in Real

C# 8 nullability checks; removed netstandard1.3 support; various bug …

…fixes

MapWithInput, Real, and performance improvements

added convenience methods to ExpressionParser for recursive expressions

Fixed two bugs pertaining to ArrayPool use

Error messages rewrite, performance improvements, and Span support

Added helper methods to create chainable prefix and postfix operators…

…. Also renamed mistaken method

fix critical index bounds bug

Added PermutationParser; added Trace and TraceResult; added RepeatStr…

…ing; performance improvements