add note about version and fix tests

doc/UltiSnips.txt

@@ -1606,6 +1606,8 @@ endsnippet
 4.11 Autotrigger                                       *UltiSnips-autotrigger*
 ----------------
 
+Note: vim should be newer than 7.4.214 to support this feature.
+
 Many language constructs can occur only at specific places, so it's
 possible to use snippets without manually triggering them.
 
@@ -1634,7 +1636,7 @@ endsnippet
 
 When "p" character will occur in the beginning of the line, it will be
 automatically expanded into "package main". Same with "m" character. There is
-no need to press trigger key after "m".
+no need to press trigger key after "m""
 
 ==============================================================================
 5. UltiSnips and Other Plugins                      *UltiSnips-other-plugins*

test/test_Autotrigger.py

@@ -6,6 +6,7 @@ import subprocess
 
 def has_patch(version, executable):
     output = subprocess.check_output([executable, "--version"])
+    patch = 1
     for line in output.split("\n"):
         if line.startswith("Included patches:"):
             patch = line.split('-')[1]