init'd a changelog

CHANGELOG.rst

@@ -0,0 +1,67 @@
+================
+Xonsh Change Log
+================
+
+Current Developments
+====================
+**Added:**
+
+* timeit alias will now complete its arguments.
+
+**Changed:**
+
+None
+
+**Deprecated:**
+
+None
+
+**Removed:**
+
+None
+
+**Fixed:**
+
+None
+
+**Security:**
+
+None
+
+
+v0.2.1 - v0.2.4
+===============
+You are reading the docs...but you still feel hungry.
+
+v0.2.0
+=============
+**Added:**
+
+* Rich history recording and replaying
+
+v0.1.0
+=============
+**Added:**
+
+* Naturally typed environment variables
+* Inherits the environment from BASH
+* Uses BASH completion for subprocess commands
+* Regular expression filename globbing
+* Its own PLY-based lexer and parser
+* xonsh code parses into a Python AST
+* You can do all the normal Python things, like arithmetic and importing
+* Captured and uncaptured subprocesses
+* Pipes, redirection, and non-blocking subprocess syntax support
+* Help and superhelp with ? and ??
+* Command aliasing
+* Multiline input, unlike ed
+* History matching like in IPython
+* Color prompts
+* Low system overhead
+
+
+
+
+<v0.1.0
+=============
+The before times, like 65,000,000 BCE.

docs/previous/changelog.rst

@@ -0,0 +1 @@
+.. include:: ../../CHANGELOG.rst

docs/previous/index.rst

@@ -8,6 +8,7 @@ xonsh:
 .. toctree::
    :maxdepth: 1
 
+   changelog
    0.2_release_notes
    0.1_release_notes