Added Peek() and Match() as well as a bugged '!=' detection.

lox.c

@@ -24,6 +24,11 @@ void Print(TokenList* list) {
     char lexeme[100];
 
     for(int i = 0; i < list->size; i++) {
+        if (list->tokens[i]->type == EndOF) {
+            printf("EOF\n");\
+            return;
+        }
+
         printf("[Line %d] ", list->tokens[i]->line);
         for(int j = 0; j < list->tokens[i]->length; j++) {
             printf("%c", list->tokens[i]->lexeme[j]);