#80 fix merge error

Author: aburmeis

src/main/java/com/arangodb/springframework/repository/query/StringBasedArangoQuery.java

@@ -36,9 +36,7 @@
 import org.springframework.expression.spel.support.StandardEvaluationContext;
 import org.springframework.util.Assert;
 
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;