Pystash class with static method seems redundant,

change it to a single function. Also update the
tests

pystache/__init__.py

 from pystache.template import Template
 
-class Pystache(object):
-    @staticmethod
-    def render(template, context={}):
-        return Template(template, context).render()
+def render(template, context={}):
+    return Template(template, context).render()

tests/test_pystache.py

 import unittest
-from pystache import Pystache
+import pystache
 
 class TestPystache(unittest.TestCase):
     def test_basic(self):
-        ret = Pystache.render("Hi {{thing}}!", { 'thing': 'world' })
+        ret = pystache.render("Hi {{thing}}!", { 'thing': 'world' })
         self.assertEquals(ret, "Hi world!")
 
     def test_less_basic(self):
         template = "It's a nice day for {{beverage}}, right {{person}}?"
-        ret = Pystache.render(template, { 'beverage': 'soda', 'person': 'Bob' })
+        ret = pystache.render(template, { 'beverage': 'soda', 'person': 'Bob' })
         self.assertEquals(ret, "It's a nice day for soda, right Bob?")
 
     def test_even_less_basic(self):
         template = "I think {{name}} wants a {{thing}}, right {{name}}?"
-        ret = Pystache.render(template, { 'name': 'Jon', 'thing': 'racecar' })
+        ret = pystache.render(template, { 'name': 'Jon', 'thing': 'racecar' })
         self.assertEquals(ret, "I think Jon wants a racecar, right Jon?")
 
     def test_comments(self):
         template = "What {{! the }} what?"
-        ret = Pystache.render(template)
+        ret = pystache.render(template)
         self.assertEquals(ret, "What  what?")
 
     def test_false_sections_are_hidden(self):
         template = "Ready {{#set}}set {{/set}}go!"
-        ret = Pystache.render(template, { 'set': False })
+        ret = pystache.render(template, { 'set': False })
         self.assertEquals(ret, "Ready go!")
 
     def test_true_sections_are_shown(self):
         template = "Ready {{#set}}set{{/set}} go!"
-        ret = Pystache.render(template, { 'set': True })
+        ret = pystache.render(template, { 'set': True })
         self.assertEquals(ret, "Ready set go!")
 
     def test_sections(self):
@@ -41,7 +41,7 @@ class TestPystache(unittest.TestCase):
 """
 
         context = { 'users': [ {'name': 'Chris'}, {'name': 'Tom'}, {'name': 'PJ'} ] }
-        ret = Pystache.render(template, context)
+        ret = pystache.render(template, context)
         self.assertEquals(ret, """
 <ul>
   <li>Chris</li><li>Tom</li><li>PJ</li>