fix some errors after rebase

Author: erkkikeranen

src/clojure/core.clj

@@ -40,7 +40,7 @@
   (- x 1))
 
 (defmacro time [expr]
-  (list (quote let) [(quote start) (quote (System_nanotime)) (quote ret) expr]
+  (list (quote let) [(quote start) (quote (System_nanoTime)) (quote ret) expr]
         (quote (do
         (println (str "Elapsed time: " (_slash_ (- (System_nanoTime) start) 1000000.0) " msecs"))
         ret))))

src/repl.rs

@@ -31,7 +31,6 @@ impl Repl {
     }
     pub fn run(&self) {
         let stdin = io::stdin();
-        let mut stdin_reader = stdin.lock();
 
         loop {
             print!("{}=> ",self.environment.get_current_namespace_name());

src/rust_core/_divide_.rs

@@ -16,7 +16,7 @@ impl ToValue for DivideFn {
 impl IFn for DivideFn {
     fn invoke(&self, args: Vec<Rc<Value>>) -> Value {
         match args.len() {
-            0 => error_message::wrong_arg_count(1,args.len()),
+            0 => error_message::zero_arg_count(args.len()),
             1 => {
                 let val = args.get(0).unwrap().to_value();
                 match val {
@@ -71,7 +71,7 @@ mod tests {
         use std::rc::Rc;
 
         #[test]
-        fn divide_without_arguments_returns_one() {
+        fn divide_without_arguments_returns_error() {
             let divide = DivideFn {};
             let args = vec![];
             assert_eq!(