Added labels for literals and primitives.
Updated HashVisitor for new grammar.
Changed literal labels to format literal<Name>.
Added tab for primary labels.
Updated HashVisitor for the renamed literal labels.
Updated MagicNumberDetector to support the new grammer.
Updated MagicNumberDetectorTest to support the new grammer.
Updated RemoveParameterDetector to the changed grammer.
Added method isParseTreeMethodBody skeleton.
Implemented isParseTreeMethodBody().
Added test isParseTreeMethodBodyTest().