Finalize RFC 28 metadata.

Author: dherman

text/0000-exception-safe-event-handlers.md renamed to text/0028-exception-safe-event-handlers.md

@@ -1,7 +1,7 @@
 - Feature Name: exception_safe_event_handlers
 - Start Date: 2020-01-31
-- RFC PR: 
-- Neon Issue: 
+- RFC PR: https://github.com/neon-bindings/rfcs/pull/28
+- Neon Issue: https://github.com/neon-bindings/neon/issues/526
 
 # Summary
 [summary]: #summary
@@ -139,4 +139,4 @@ Another benefit of `try_catch()` would be to avoid C++ in the implementation of
 # Unresolved questions
 [unresolved]: #unresolved-questions
 
-None
+None