Treat visual cursor on end-of-line as one behind

Like matchit.  Fixes #36.

autoload/matchup/delim.vim

@@ -304,6 +304,10 @@ function! s:get_delim(opts) " {{{1
   if l:cursorpos > 1 && l:insertmode
     let l:cursorpos -= 1
   endif
+  if l:cursorpos > strlen(getline('.'))
+        \ && stridx("vV\<c-v>", mode()) > -1
+    let l:cursorpos -= 1
+  endif
 
   let s:invert_skip = 0
 

test/issues/36/image_uploader.rb

@@ -0,0 +1,21 @@
+     return unless original_filename
+
+     if model && model.read_attribute(mounted_as).present?
+       model.read_attribute(mounted_as)
+     else
+       "#{SecureRandom.hex(5)}.#{file.extension}"
+     end
+   end
+
+   def store_dir
+     "u/#{model.user_id}/#{model.id}"
+   end
+
+   def extension_whitelist
+     %w[jpg jpeg png]
+   end
+
+   version :thumb do
+     process resize_to_fit: [150, 150]
+   end
+ end