Bump version to 1.2.0

Author: peterc

README.md

@@ -79,7 +79,7 @@ In this way, your class is tested each time you run the app in development or te
 Other Features
 --------------
 
-By default, output is written to STDERR (as well as returned by the test expressions themselves). You can override where test output goes like so:
+By default, output is written to `$stderr` (as well as returned by the test expressions themselves). You can override where test output goes like so:
 
 ```ruby
 TestRocket.out = File.new('/dev/null', 'w')

lib/testrocket.rb

@@ -4,7 +4,7 @@
 # TestRocket Module to refine lambdas an use them for lightweight tests
 #
 module TestRocket
-  VERSION = '1.1.0'
+  VERSION = '1.2.0'
 
   extend Module.new { attr_accessor :out }