modified:   build.xml
	new file:   src/ExprUtils/example/example-plan.xml
	new file:   src/ExprUtils/src/edu/pdcl/mrio/exprutils/Plan.java
	modified:   src/HCache/src/hcache/org/apache/hadoop/hcache/BlockReport.java
	modified:   test/TestHCacheCmd.java