Update history to reflect release of v0.2.0

Author: parkr

History.markdown

@@ -2,15 +2,23 @@
 
 ### Major Enhancements
 
+### Minor Enhancements
+
+### Bug Fixes
+
+### Development Fixes
+
+## 0.2.0 / 2013-11-30
+
+### Major Enhancements
+
 * Add `Command#default_command` to specify a default command if none is given
   by the user at runtime (#7)
 
 ### Minor Enhancements
 
 * Add `Command#execute` to execute the actions of a command (#6)
 
-### Bug Fixes
-
 ### Development Fixes
 
 * Add standard GitHub bootstrap and cibuild scripts to `script/` (#2)