Fixed bug in ddg.eval that caused it to link to old return nodes.
Add EvalTest
Merge branch 'master' of https://github.com/blernermhc/RDataTracker

Conflicts:
	examples/ScopeTest/expected_scopeTest_ddg.txt
	examples/ScopeTest/source_expected_ScopeTest_ddg.txt
	examples/ddgTest/expected_basicTest_ddg.txt
Updated version number