title: Passing arbitrary arguments to handlebars helpers?
body: <p>sorry if this has been asked a million times before but I can't seem to find a satisfactory answer anywhere.</p>
  
  <p>I'm trying to build a handlebars helper to tie into my i18n library and I need it to accept any number of named arguments as follows:</p>
  
  <pre><code>{{i18n yml.text.definition count=2 name="Alex" ... param="hello}}
  </code></pre>
  
  <p>which will translate to a call like this:</p>
  
  <pre><code>i18n.t("yml.text.definition", { count: 2, name: "Alex", ... param: "hello"})
  </code></pre>
  
  <p>Is this possible, or am I totally out of my tree?</p>