Interpolate template variables correctly (#64)

src/directory.jst

@@ -4,7 +4,7 @@
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
 
- <title>Files within {{=it.directory}}</title>
+ <title>Files within {{!it.directory}}</title>
 
  <style>
  body {
@@ -187,7 +187,7 @@
  <i>Index of&nbsp;</i>
 
  {{~it.paths :value:index}}
- <a href="/{{=value.url}}">{{=value.name}}</a>
+ <a href="/{{!value.url}}">{{!value.name}}</a>
  {{~}}
  </h1>
 
@@ -197,9 +197,9 @@
  <ul id="files">
  {{~it.files :value:index}}
  <li>
- <a href="{{=value.relative}}" title="{{=value.title}}" class="{{=value.ext}}">{{=value.base}}</a>
+ <a href="{{!value.relative}}" title="{{!value.title}}" class="{{!value.ext}}">{{!value.base}}</a>
  {{? value.size}}
- <i>{{=value.size}}</i>
+ <i>{{!value.size}}</i>
  {{?}}
  </li>
  {{~}}