Implemented range expression
Implementing more composite operators
Working toward custom CPS-aware default methods
Doing a manual CPS transformation for now
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/groovy/com/cloudbees/groovy/cps/CpsTransformer.groovy
	src/main/java/com/cloudbees/groovy/cps/Builder.java
	src/test/groovy/com/cloudbees/groovy/cps/CpsTransformerTest.groovy
Updating test case to reflect changes in the call stack