Merge pull request #45 (4) "Preventing section content being processed as a template. Fixes #46"

From: https://github.com/jakearchibald/pystache/commit/a936076fd5c06f49c8a7307060861807d8245ffe
Into: issue_46

The failed unit test now passes.

Conflicts:
	pystache/template.py

pystache/template.py

@@ -130,7 +130,9 @@ class Template(object):
         tag = r"%(otag)s(#|=|&|!|>|\{)?(.+?)\1?%(ctag)s+"
         self.tag_re = re.compile(tag % tags)
 
-    def _render_sections(self, template):
+    def _render(self, template):
+        output = ''
+
         while True:
             match = self.section_re.search(template)
             if match is None:
@@ -164,9 +166,15 @@ class Template(object):
             elif (not it and section[2] == '^') or (it and section[2] != '^'):
                 replacer = self._render_dictionary(inner, it)
 
-            template = literal(template.replace(section, replacer))
+            # Render template prior to section too
+            output = output + self._render_tags(template[0:match.start()]) + replacer
+
+            template = template[match.end():]
 
-        return template
+            # Render remainder
+        output = output + self._render_tags(template)
+
+        return output
 
     def _render_tags(self, template):
         output = []
@@ -275,8 +283,7 @@ class Template(object):
         """
         self._initialize_context(context, **kwargs)
 
-        template = self._render_sections(self.template)
-        result = self._render_tags(template)
+        result = self._render(self.template)
 
         if self.output_encoding is not None:
             result = result.encode(self.output_encoding)