Added in function call operator

tests/.gitignore

@@ -0,0 +1,2 @@
+tester
+test_compiler

tests/test_close_over_references.krak

@@ -1,4 +1,4 @@
-import io:*
+import simple_print:*
 
 fun func(it: ref int) {
     it++

tests/test_functionOperator.krak

@@ -1,4 +1,4 @@
-import io:*
+import simple_print:*
 
 obj FuncObj {
     fun operator()(a:int, b:*char): void {