debug and logging improvements

src/charon/doc/Known-bugs.txt

@@ -1,7 +1,8 @@
  Known bugs in charon
 ======================
 
-- intiating the same connection twice makes trouble
 - leak_detective gets confused from libpthread (invalid frees)
-- installing to many SAs in the kernel at the same time causes troubles. Threading issue?
+- inititate rekeying at the same time causes troubles, as the current state
+  machine can't handle it properly
+- traffic selector changes while rekeying may cause troubles
 

src/charon/doc/Todo-list.txt

@@ -50,11 +50,13 @@
 - implement 3DES to load encrypted pem files
 + ipsec.secrets parsing
 
-- trapping
+/ trapping
 + proper delete messages
 - notifys on connection setup failure
-- create child sa message/rekeying
++ create child sa message/rekeying
 
 - implement a mechanism against thread exhaustion
   when a blocked IKE_SA receives a lot of messages
 - add a crl fetch mechanism which synchronizes equal fetches
+
+- replace state machine with something more transaction oriented