fix array and hash constants, now seperated out

test/cases/hash_constant/hash.tst

@@ -1,7 +1,6 @@
 { foo => 33 }
 -- -- --
-s(:expressions, 
-  s(:hash, 
-    s(:assoc, 
-      s(:name,  :foo), 
-      s(:int,  33))))
+s(:hash,
+  s(:assoc,
+    s(:name, :foo),
+    s(:int, 33)))

test/cases/hash_constant/hash2.tst

@@ -1,7 +1,6 @@
 { foo => true }
 -- -- --
-s(:expressions, 
-  s(:hash, 
-    s(:assoc, 
-      s(:name,  :foo), 
-      s(:true))))
+s(:hash,
+  s(:assoc,
+    s(:name, :foo),
+    s(:true)))

test/cases/hash_constant/hash_list.tst

@@ -1,10 +1,9 @@
 {foo => 33 , bar => 42}
 -- -- --
-s(:expressions, 
-  s(:hash, 
-    s(:assoc, 
-      s(:name,  :foo), 
-      s(:int,  33)), 
-    s(:assoc, 
-      s(:name,  :bar), 
-      s(:int,  42))))
+s(:hash,
+  s(:assoc,
+    s(:name, :foo),
+    s(:int, 33)),
+  s(:assoc,
+    s(:name, :bar),
+    s(:int, 42)))