Fix a bunch of stuff back and forth, 39 tests passing

tests/test_memTest.krak

@@ -1,5 +1,5 @@
 import mem:*;
-import io:*;
+import simple_print:*;
 
 obj AnObject {
 	var a: int;

tests/test_rec_closure.krak

@@ -1,4 +1,4 @@
-import io:*
+import simple_print:*
 
 fun main():int {
     var message = "thingy: "