Added switch for current VCS, updated buffergator and sorcerer

.vimrc

@@ -216,9 +216,36 @@ map ]b :call OpenInWebBrowser()<cr>
 
 "remove search highlight and refresh
 nnoremap <silent> <C-l> :nohl<CR>:syn sync fromstart<CR><C-l>
+map <F3> :call <SID>ChangeVCS()<cr>
+map <F4> :call <SID>ToggleHex()<cr>
 " }}}
 " FUNCTIONS: usefull functions for all of th files {{{
 
+" Switch VCSCommand current used VCS system
+function <SID>ChangeVCS()
+    echo ""
+    let l:vcs = ["HG", "SVN", "CVS", "GIT"]
+    let l:scv = {1: "HG", 2: "SVN", 3: "CVS", 4: "GIT"}
+    let l:cho = ""
+    let l:current = 0
+
+    if exists("VCSCommandVCSTypeExplicitOverride") &&
+        \ index(vcs, g:VCSCommandVCSTypeExplicitOverride) != -1
+        let l:current = vcs[g:VCSCommandVCSTypeExplicitOverride]
+    endif
+
+    let l:choice = confirm('Switch VCS: ', "&" . join(l:vcs, "\n&"), l:current)
+    execute ':redraw!'
+
+    if has_key(l:scv, l:choice)
+        let g:VCSCommandVCSTypeExplicitOverride=l:scv[l:choice]
+
+        echohl Statement
+        echo "Switched to " . g:VCSCommandVCSTypeExplicitOverride
+        echohl None
+    endif
+endfunction
+
 " Simple wrapper for :make command
 function <SID>Make()
     echohl Statement
@@ -316,6 +343,45 @@ function OpenInWebBrowser()
     echohl None
 endfunction
 
+" helper function to toggle hex mode
+function <SID>ToggleHex()
+    " hex mode should be considered a read-only operation
+    " save values for modified and read-only for restoration later,
+    " and clear the read-only flag for now
+    let l:modified=&mod
+    let l:oldreadonly=&readonly
+    let &readonly=0
+    let l:oldmodifiable=&modifiable
+    let &modifiable=1
+    if !exists("b:editHex") || !b:editHex
+        " save old options
+        let b:oldft=&ft
+        let b:oldbin=&bin
+        " set new options
+        setlocal binary " make sure it overrides any textwidth, etc.
+        let &ft="xxd"
+        " set status
+        let b:editHex=1
+        " switch to hex editor
+        %!xxd
+    else
+        " restore old options
+        let &ft=b:oldft
+        if !b:oldbin
+            setlocal nobinary
+        endif
+        " set status
+        let b:editHex=0
+        " return to normal editing
+        %!xxd -r
+    endif
+    " restore values for modified and read only state
+    let &mod=l:modified
+    let &readonly=l:oldreadonly
+    let &modifiable=l:oldmodifiable
+endfunction
+
+"Toggle 
 "}}}
 " GUI: detect graphics mode, set colorscheme {{{
 if has('gui_running')