EOF bugfix, new complex test cases
diff --git a/src/main/antlr/CollectionQuery.g4 b/src/main/antlr/CollectionQuery.g4
index 76752a2..0bd7fe5 100644
--- a/src/main/antlr/CollectionQuery.g4
+++ b/src/main/antlr/CollectionQuery.g4
@@ -87,6 +87,6 @@
 ;
 
 start
-:	expr EOF
+:	expr 
 |	exprGroup EOF
 ;
\ No newline at end of file