Option to disable sorting in MRU mode

Close #177

autoload/ctrlp.vim

@@ -30,6 +30,7 @@ fu! s:opts()
 		\ 'max_files':             ['s:maxfiles', 10000],
 		\ 'max_height':            ['s:mxheight', 10],
 		\ 'max_history':           ['s:maxhst', hst],
+		\ 'mruf_default_order':    ['s:mrudef', 0],
 		\ 'open_multi':            ['s:opmul', '1v'],
 		\ 'open_new_file':         ['s:newfop', 'v'],
 		\ 'prompt_mappings':       ['s:urprtmaps', 0],
@@ -1423,7 +1424,8 @@ endf
 
 fu! s:dosort()
 	retu s:matcher == {} && ( ( s:itemtype != 2 && s:nolim != 1 )
-		\ || s:prompt != ['', '', ''] ) && s:dosort
+		\ || s:prompt != ['', '', ''] ) && !( s:itemtype == 2 && s:mrudef )
+		\ && s:dosort
 endf
 
 fu! s:narrowable()

doc/ctrlp.txt

@@ -70,6 +70,7 @@ Overview:~
   |ctrlp_mruf_exclude|          Files that shouldn’t be remembered.
   |ctrlp_mruf_include|          Files to be remembered.
   |ctrlp_mruf_relative|         Show only MRU files in the working directory.
+  |ctrlp_mruf_default_order|    Disable sorting.
   |ctrlp_mruf_case_sensitive|   MRU files are case sensitive or not.
 
   Advanced options:
@@ -420,6 +421,11 @@ Set this to 1 to show only MRU files in the current working directory: >
   let g:ctrlp_mruf_relative = 0
 <
 
+                                                 *'g:ctrlp_mruf_default_order'*
+Set this to 1 to disable sorting when searching in MRU mode: >
+  let g:ctrlp_mruf_default_order = 0
+<
+
                                                 *'g:ctrlp_mruf_case_sensitive'*
 Match this with your file system case-sensitivity setting to avoid duplicate
 MRU entries: >
@@ -983,6 +989,7 @@ Special thanks:~
 ===============================================================================
 CHANGELOG                                                     *ctrlp-changelog*
 
+    + New option: |g:ctrlp_mruf_default_order|
     + New feature: Bookmarked directories extension.
     + New commands: |:CtrlPBookmarkDir|
                     |:CtrlPBookmarkDirAdd|