renameing to match expressions

test/cases/array_constant/array_list.tst

@@ -0,0 +1,6 @@
+[42, foo]
+-- -- --
+s(:expressions, 
+  s(:array, 
+    s(:int,  42), 
+    s(:name,  :foo)))

test/cases/array_constant/array_ops.tst

@@ -0,0 +1,11 @@
+[ 3 + 4 , foo(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/array_constant/one_array.tst

@@ -0,0 +1,5 @@
+[42]
+-- -- --
+s(:expressions, 
+  s(:array, 
+    s(:int,  42)))