fix all the cases, much white noise, array to list, string to sym stuff

test/cases/compound/array_list.tst

@@ -1,3 +1,6 @@
 [42, foo]
 -- -- --
-s(:list,  [s(:array,  [s(:int,  42), s(:name,  "foo")])])
+s(:expressions, 
+  s(:array, 
+    s(:int,  42), 
+    s(:name,  :foo)))

test/cases/compound/array_ops.tst

@@ -1,8 +1,11 @@
 [ 3 + 4 , foo(22) ]
 -- -- --
-s(:list,  [s(:array,  [s(:operator,  "+", 
-  s(:int,  3), 
-  s(:int,  4)), s(:call, 
-  s(:name,  "foo"), 
-  s(:arguments, 
-    s(:int,  22)))])])
+s(:expressions, 
+  s(:array, 
+    s(:operator,  "+", 
+      s(:int,  3), 
+      s(:int,  4)), 
+    s(:call, 
+      s(:name,  :foo), 
+      s(:arguments, 
+        s(:int,  22)))))

test/cases/compound/hash.tst

@@ -1,5 +1,7 @@
 { foo => 33 }
 -- -- --
-s(:list,  [s(:hash,  [s(:assoc, 
-  s(:name,  "foo"), 
-  s(:int,  33))])])
+s(:expressions, 
+  s(:hash, 
+    s(:assoc, 
+      s(:name,  :foo), 
+      s(:int,  33))))

test/cases/compound/hash2.tst

@@ -1,5 +1,7 @@
 { foo => true }
 -- -- --
-s(:list,  [s(:hash,  [s(:assoc, 
-  s(:name,  "foo"), 
-  s(:true))])])
+s(:expressions, 
+  s(:hash, 
+    s(:assoc, 
+      s(:name,  :foo), 
+      s(:true))))

test/cases/compound/hash_list.tst

@@ -1,7 +1,10 @@
 {foo => 33 , bar => 42}
 -- -- --
-s(:list,  [s(:hash,  [s(:assoc, 
-  s(:name,  "foo"), 
-  s(:int,  33)), s(:assoc, 
-  s(:name,  "bar"), 
-  s(:int,  42))])])
+s(:expressions, 
+  s(:hash, 
+    s(:assoc, 
+      s(:name,  :foo), 
+      s(:int,  33)), 
+    s(:assoc, 
+      s(:name,  :bar), 
+      s(:int,  42))))

test/cases/compound/one_array.tst

@@ -1,3 +1,5 @@
 [42]
 -- -- --
-s(:list,  [s(:array,  [s(:int,  42)])])
+s(:expressions, 
+  s(:array, 
+    s(:int,  42)))