Initial work for functions as values. Actually works, but you can't write out the type and thus can only declare function pointer variables with type inference.

tests/test_functionsValues.expected_results

@@ -0,0 +1 @@
+9

tests/test_functionsValues.krak

@@ -0,0 +1,13 @@
+import io:*
+
+fun test(): void {
+    println(9)
+}
+
+fun main(): int {
+    var val = test
+    val()
+    return 0
+}
+
+