Update to misaka 2.0

Fixes #208

isso/utils/html.py

@@ -72,7 +72,7 @@ def Markdown(extensions=("strikethrough", "superscript", "autolink")):
     md = misaka.Markdown(Unofficial(), extensions=flags)
 
     def inner(text):
-        rv = md.render(text).rstrip("\n")
+        rv = md(text).rstrip("\n")
         if rv.startswith("<p>") or rv.endswith("</p>"):
             return rv
         return "<p>" + rv + "</p>"

setup.py

@@ -5,8 +5,8 @@ import sys
 
 from setuptools import setup, find_packages
 
-requires = ['html5lib==0.9999999', 'itsdangerous', 'Jinja2',
-            'misaka>=1.0,<2.0', 'werkzeug>=0.9']
+requires = ['itsdangerous', 'Jinja2', 'misaka>=2.0,<3.0', 'html5lib<0.9999999',
+            'werkzeug>=0.9']
 
 if sys.version_info < (2, 7):
     raise SystemExit("Python 2 versions < 2.7 are not supported.")