Install bash completion for argcomplete

Update version to 0.4.0

refs: #4629, #4631

Change-Id: I2319a37fc1ba6587528c4ed2eadf727c3c0f6526
diff --git a/setup.py b/setup.py
index 06a12cb..bac5451 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 setup(
     name = "Mini-NDN",
-    version = '0.3.0',
+    version = '0.4.0',
     packages = find_packages(),
     scripts = ['bin/minindn', 'bin/minindnedit'],
 )