(chore) publish 0.5.6
(chore) publish 0.5.6

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