Vim 8.1 release

Update version number and information.  Fix a couple of tests.
diff --git a/runtime/doc/hebrew.txt b/runtime/doc/hebrew.txt
index 1659912..5400b49 100644
--- a/runtime/doc/hebrew.txt
+++ b/runtime/doc/hebrew.txt
@@ -1,4 +1,4 @@
-*hebrew.txt*    For Vim version 8.0.  Last change: 2007 Jun 14
+*hebrew.txt*    For Vim version 8.1.  Last change: 2007 Jun 14
 
 
 	   VIM REFERENCE MANUAL    by Ron Aaron (and Avner Lottem)