Closes #1215: document better why it is not a good idea to catch e.g. SIGSEGV and refer to faulthandler.

Patch by Martin Pool.
diff --git a/Misc/ACKS b/Misc/ACKS
index 400f528..0a49abf 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -974,6 +974,7 @@
 Remi Pointel
 Guilherme Polo
 Michael Pomraning
+Martin Pool
 Iustin Pop
 Claudiu Popa
 John Popplewell