Bump the version number

Alir3z4 · Alir3z4 · commit 982202cb6c43 · 2016-12-07T23:02:49.000+04:00
diff --git a/django_markwhat/__init__.py b/django_markwhat/__init__.py
@@ -1,2 +1,2 @@
-__version__ = (1, 4)
 """Django Markwhat."""
+__version__ = (1, 5, 1)
