(fix) fixed tokenizer issue when parsing subexpression in helper [#8]
(fix) fixed tokenizer issue when parsing subexpression in helper [#8]

tailhook/handlebars-rust,tempbottle/handlebars-rust,wang19742008/handlebars-rust,ihrwein/handlebars-rust,tempbottle/handlebars-rust,sunng87/handlebars-rust,sunng87/handlebars-rust,tailhook/handlebars-rust