editor setting
make render() exception safe
add a test
ammend 9a32f14dd35075cff53003bdd7daed3c985fccdc to fix issues
also fix PP ver.
Checking in changes prior to tagging of version 2.0006.

Changelog diff is:

diff --git a/Changes b/Changes
index 906f7d7..64e4c83 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,10 @@
 Revision history for Perl extension Text::Xslate

+2.0006 2013-06-02 22:58:27
+    [BUG FIXES]
+    - Fix an issue that the state of VM broke on exception
+      reported by nihen
+
 2.0005 2013-06-02 12:23:15
     [BUG FIXES]
     - Fix a Multiplexed WRAPPER issue reportedy by @kawamuray (#79)