MUcomplete behaviour

vimrc

@@ -246,10 +246,16 @@ inoremap <expr>  <cr> mucomplete#popup_exit("\<cr>")
 set completeopt+=noselect
 set completeopt+=noinsert
 
+set complete-=i
+set complete-=t
+let g:mucomplete#chains = { 'default' : ['c-p', 'incl', 'tags'] }
+let g:mucomplete#popup_direction = { 'path' : -1, 'c-p': -1 }
 set shortmess+=c   " Shut off completion messages
 set belloff+=ctrlg " If Vim beeps during completion
-
+	
 call add(g:mucomplete#chains['default'], 'ulti')
+ 
+
 
 " ultisnips
 " Trigger configuration. Do not use <tab> if you use https://github.com/Valloric/YouCompleteMe.
@@ -272,8 +278,9 @@ nnoremap <leader>] :tag /[.#@]<c-r>=expand('<cword>')<cr><cr>
 
 
 " bufexploer
-nnoremap <leader>be :BufExplorer<CR> 
+nnoremap <leader>o :BufExplorer<CR>
 
+" undotree
 nnoremap <leader>ut :UndotreeToggle<cr>
 " let g:tagbar_type_css = {
 " \  'ctagstype' : 'css',