0.14.0

Features

• add unset!, add-special! and remove-special! functions
• add define-symbol-macro meta macro that create parser macros (parser transformer symbol)
• rewrite help as macro so it works with parser macros
• require function for Node.js + load work in Node using fs.readFile
• stack trace in exception in lips binary
• parser accept strings as argument (no need to call tokenizer - but it also accept array of tokens)
• modules mechanism as macros
• pattern matching as macro
• macro? function
• cond macro

Bug fixes

• fix white space in docs for macros
• fix two cases in parser: `(,(list 1 2)) and `(+ ,,(list 'foo)) #12
• fix quaisquote macro (eval of single unquote in double quasiquote) #14
• add scope to exec in load function
• fix formatting of multi line strings
• fix object? when called with nil and number
• fix macroexpand macro