bump version from 0.4.4 to 0.5.0

Author: zoumingzhe

xkits_command/attribute.py

@@ -1,7 +1,7 @@
 # coding:utf-8
 
 __project__ = "xkits-command"
-__version__ = "0.4.4"
+__version__ = "0.5.0"
 __urlhome__ = "https://github.com/bondbox/xcommand/"
 __description__ = "Command line module"