update change log

Author: chfw

CHANGELOG.rst

@@ -1,11 +1,16 @@
 Change log
 ================================================================================
 
-0.2.3 - 13.07.2016
+0.2.3 - 14.07.2016
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+Added:
+********************************************************************************
+
+#. json format: serialize date and datetime
+
 Updated:
-++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+********************************************************************************
 
 #. if a sheet has row_names, its json output become records(a list of dictionary)
    instead of a dictionary of row name vs the rest of row values.
@@ -28,15 +33,15 @@ Updated:
 It is a complete re-write of the whole extension.
 
 Added
-++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+********************************************************************************
 
 #. html support
 #. support pyexcel 0.2.0's generator output
 #. pypy and pypy3 in test targets
 #. support file stream and dot notation, e.g. pyexcel.Sheet.rst will return rst text representation of it.
 
 Updated
-++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+********************************************************************************
 
 #. `#8 <https://github.com/pyexcel/pyexcel-text/issues/8>`_, write_header as an option(False) to disable header writing
 #. the json output of multiple sheet book will be sorted by its sheet names.
@@ -46,7 +51,7 @@ Updated
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 Updated
-++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+********************************************************************************
 
 #. `#2 <https://github.com/pyexcel/pyexcel-text/issues/2>`_, fix a typo in setup.py
 
@@ -55,7 +60,7 @@ Updated
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 Updated
-++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+********************************************************************************
 
 #. support pyexcel 0.2.0
 
@@ -64,7 +69,7 @@ Updated
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 Updated
-++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+********************************************************************************
 
 #. `#1 <https://github.com/pyexcel/pyexcel-text/issues/1>`_, align api interface
     with other pyexcel plugins, e.g. save_as, save_book_as
@@ -73,7 +78,7 @@ Updated
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 Updated
-++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+********************************************************************************
 
 #. support pyexcel 0.0.9