Fixes for windows.

vim/vimrc

@@ -23,7 +23,7 @@ let g:netrw_browse_split = 3 " open in a tab
 
 " In many terminal emulators the mouse works just fine, thus enable it.
 if has('mouse')
-  set mouse=a
+	set mouse=a
 endif
 
 " a copy-past from my linux vimrc
@@ -48,28 +48,31 @@ endif
 " for keeping undo history after closing Vim entirely. Vim will complain if you
 " try to quit without saving, and swap files will keep you safe if your computer
 " crashes.
-if has('hidden')
+if exists('&hidden')
 	set hidden
 endif
 
 " Instead of failing a command because of unsaved changes, instead raise a
 " dialogue asking if you wish to save changed files.
-if has('confirm')
+if exists('&confirm')
 	set confirm
 endif
 
 " Use visual bell instead of beeping when doing something wrong
-if has('visualbell')
+if exists('&visualbell')
 	set visualbell
 endif
 
 " Display line numbers on the left
-if has('number')
+if exists('&number')
 	set number
 endif
 
 " Modelined are used to configure files.
-set modeline 
+if exists('&modeline')
+	set modeline
+	set modelines=10
+endif
 
 " Only do this part when compiled with support for autocommands.
 if has("autocmd")