Introduced ${...} syntax for constants. Fixed issue where constants were not correctly handled for macros. /* */ comments are nesting. Added LINE, FUNC, FILE defines. Corrected shallow resolution of subarrays. Added int defines. Removed Vararray.

test/test_suite/comments/simple_comments.c3

@@ -12,3 +12,4 @@ func void test()
    return;
 }
 
+/* /* nested /* comments! */ !! */ goes here */

test/test_suite/struct/recursive_structs.c3

@@ -0,0 +1,25 @@
+struct Test1
+{
+    Test1 *x;
+}
+
+struct Test2
+{
+    Test2[] y;
+}
+
+struct Test3 // #error: Recursive definition
+{
+    Test3[4] z;
+}
+
+struct Test4
+{
+    Test4[3]* w;
+}
+
+
+struct Test5
+{
+    Test5[3][] w;
+}