Optimization of string and vector with references and less functional code, bugfix of closing over references

tests/test_close_over_references.expected_results

@@ -0,0 +1,2 @@
+9
+9

tests/test_close_over_references.krak

@@ -0,0 +1,17 @@
+import io:*
+
+fun func(it: ref int) {
+    it++
+    fun() {
+        it++
+        println(it)
+    }()
+}
+
+fun main(): int {
+    var it = 7
+    func(it)
+    println(it)
+
+    return 0
+}

tests/test_grammer.krak

@@ -7,7 +7,7 @@ import symbol:*
 
 fun main():int {
 
-    /*var a = load_grammer(read_file(string("../krakenGrammer.kgm")))*/
+    //var a = load_grammer(read_file(string("../krakenGrammer.kgm")))
     /*var a = load_grammer(read_file(string("grammer.kgm")))*/
     var a = load_grammer(read_file(string("grammer2.kgm")))
     println(a.to_string())
@@ -42,9 +42,9 @@ fun main():int {
    /*lex.set_input(read_file(string("test_grammer.krak")))*/
     /*lex.set_input(string("ccdahas spacedhas*/
 /*returndaaaaaaaaaaaaaa"))*/
-    lex.set_input(string("hibyed"))
+    //lex.set_input(string("hibyed"))
     println("woo lexing:")
-    range(8).for_each(fun(i: int) { println(lex.next().to_string()); } )
+    //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())
     a.calculate_state_automaton()

tests/test_vectorTest.expected_results

@@ -66,38 +66,26 @@ Copied: 303 to 304
 Destroyed: 303
 Destroyed: 302
 Copied: 104 to 105
-Copied: 105 to 106
-Destroyed: 105
 Copied: 204 to 205
-Copied: 205 to 206
-Destroyed: 205
 Copied: 304 to 305
-Copied: 305 to 306
-Destroyed: 305
 Destroyed: 104
 Destroyed: 204
 Destroyed: 304
 Destroyed: 301
 Destroyed: 201
 Destroyed: 101
-Copied: 106 to 107
-Copied: 107 to 108
-Destroyed: 107
-Copied: 206 to 207
-Copied: 207 to 208
-Destroyed: 207
-Copied: 306 to 307
-Copied: 307 to 308
-Destroyed: 307
-Destroyed: 106
+Copied: 105 to 106
+Copied: 205 to 206
+Copied: 305 to 306
+Destroyed: 105
+Destroyed: 205
+Destroyed: 305
 Destroyed: 206
+Copied: 306 to 307
 Destroyed: 306
-Destroyed: 208
-Copied: 308 to 309
-Destroyed: 308
 done
-Destroyed: 108
-Destroyed: 309
+Destroyed: 106
+Destroyed: 307
 Destroyed: 300
 Destroyed: 200
 Destroyed: 100