Fixes #19 - Use exact match to reduce merged IAM policy resources

Author: Frank Schmid

lib/aliasRestructureStack.js

@@ -407,7 +407,7 @@ module.exports = {
 
 			if (sameStageStatement) {
 				// Merge the resources
-				sameStageStatement.Resource = _.unionWith(sameStageStatement.Resource, statement.Resource, (a,b) => _.isMatch(a,b));
+				sameStageStatement.Resource = _.uniqWith(_.concat(sameStageStatement.Resource, statement.Resource), (a,b) => _.isEqual(a,b));
 			} else {
 				// Add the different statement
 				stageRolePolicyStatements.push(statement);