moe-2009.9.2: changelog.md

2009.9.2
--------

### Feature

* use DList in writer to further boost performance, bytestring internal + DList is about as fast as it gets for writer monad

2009.9.1
--------

### Feature

* use bytestring internally for performance
* more markdown helper
* add prim element tag, for no escape, but indented element

2009.8.25
---------

### Feature

* revert element syntax
* internal escape html function
* escape both attribute and element body

2009.8.24
---------

Init