Minor changes

* use ace-jump-line-mode for quick line jumping
* column-number-mode enabled by default

init/functions.el

@@ -99,4 +99,11 @@ Including indent-buffer, which should not be called automatically on save."
       (find-file (concat "/sudo:root@localhost:" (ido-read-file-name "File: ")))
     (find-alternate-file (concat "/sudo:root@localhost:" buffer-file-name))))
 
+;; Evaluate sexp and replace it with result
+(defun replace-last-sexp ()
+    (interactive)
+    (let ((value (eval (preceding-sexp))))
+      (kill-sexp -1)
+      (insert (format "%S" value))))
+
 (provide 'functions)