rename version to 0.5.0, add CHANGES.txt
diff --git a/CHANGES.txt b/CHANGES.txt
new file mode 100644
index 0000000..f867d17
--- /dev/null
+++ b/CHANGES.txt
@@ -0,0 +1 @@
+Please see https://predictionio.atlassian.net/browse/SDKPYTHON#selectedTab=com.atlassian.jira.plugin.system.project%3Achangelog-panel
diff --git a/MANIFEST.in b/MANIFEST.in
index 42eb410..c08e25c 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1,2 @@
include LICENSE.txt
+include CHANGES.txt
\ No newline at end of file
diff --git a/predictionio/__init__.py b/predictionio/__init__.py
index 9b8adc3..2f68cf2 100644
--- a/predictionio/__init__.py
+++ b/predictionio/__init__.py
@@ -9,7 +9,7 @@
__copyright__ = "Copyright 2013, TappingStone, Inc."
__license__ = "Apache License, Version 2.0"
-__version__ = "0.5"
+__version__ = "0.5.0"
# import packages