Accept numbers and text for disabling snipMate.

autoload/UltiSnips/bootstrap.vim

@@ -82,3 +82,8 @@ endif
 if !exists("g:UltiSnipsSnippetDirectories")
     let g:UltiSnipsSnippetDirectories = [ "UltiSnips" ]
 endif
+
+" Enable or Disable snipmate snippet expansion.
+if !exists("g:UltiSnipsEnableSnipMate")
+    let g:UltiSnipsEnableSnipMate = 1
+endif

doc/UltiSnips.txt

@@ -1421,6 +1421,7 @@ individuals have contributed to UltiSnips (in chronological order):
    Glenn Griffin - ggriffiniii
    Michael - Pyrohh
    Stanislav Seletskiy - seletskiy
+   Pawel Palucki - ppalucki
 
 
 Thank you for your support.

pythonx/UltiSnips/snippet_manager.py

@@ -95,7 +95,7 @@ class SnippetManager(object):
         enable_snipmate = True
         if _vim.eval("exists('g:UltiSnipsEnableSnipMate')") == "1":
             enable_snipmate = _vim.eval("g:UltiSnipsEnableSnipMate")
-        if enable_snipmate:
+        if enable_snipmate == "1":
             self.register_snippet_source("snipmate_files",
                 SnipMateFileSource())