[svn] updated documentation regarding "{% call %}" and documented speedup module. also fixed some minor bugs in the speedup module

--HG--
branch : trunk
diff --git a/CHANGES b/CHANGES
index 9e5e64c..68a5383 100644
--- a/CHANGES
+++ b/CHANGES
@@ -68,6 +68,10 @@
 - You can now use the environment to just tokenize a template. This can
   be useful for syntax highlighting or other purposes.
 
+- added optional c-implementation of the context baseclass.
+
+- implemented `{% call %}` - unsure if this makes it into the final release.
+
 
 Version 1.0
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