some bug fixes, templated operator method overloading

tests/test_grammer.krak

@@ -46,6 +46,7 @@ fun main():int {
     println("woo lexing:")
     range(8).for_each(fun(i: int) { println(lex.next().to_string()); } )
     /*range(80).for_each(fun(i: int) { println(lex.next().to_string()); } )*/
+    println(a.to_string())
     return 0
 }
 

tests/test_template_operator_overload.expected_results

@@ -0,0 +1 @@
+works

tests/test_template_operator_overload.krak

@@ -0,0 +1,14 @@
+import io:*
+
+obj it {
+    fun operator+<U>(other: U): it {
+        println(other)
+        return *this
+    }
+}
+
+fun main():int {
+    var i: it
+    i + "works"
+    return 0
+}