so it doesn't null out the contained message.
Required for SSU2.
Unrelated TunnelDispatcher cleanup done while trying to find the problem.

Fix deadlock in AckTimer
Enforce token in IES2
Increase bitfield sizes in PS2
Log tweaks

Handle acks
Set ack timer
Retransmit session confirmed
Fix bitfield constructor when no ranges

Add method to put additional blocks in data messages
Send and handle termination blocks

after initial testnet testing

Use correct intro key for Session/Token request
Fix state management in EstablishmentManager, OES2, IES2
Fix next send time during handshake
Fix header decryption in PacketHandler
Add additional packet checks in IES2 handling
Remove expired IES immediately (SSU1 also)
Failsafe sleep in EstablishmentManager on exception
Remove dup requestSent() calls
Don't release packet in PS2
Log tweaks and javadocs

Only affects NTCP for now.
This bug had little impact when both transports were enabled,
but significantly harmed connectivity and tunnel building for NTCP2-only.
Decrease unreachable cache time in testnet
Make cache cleaner a little more efficient

So peers will attempt to connect

previously, was only loaded if not known at all

Send immediate ack of Session Confirmed
Process I2NP messages and fragments in Session Confirmed

Fix initialization of IMS when receiving last fragment first

Fix writing follow-on fragment block
Call messageFullyReceived() for I2NP block
Override messageFullyReceived() to avoid NPE

Fix receiver CipherState key
Override clearWantedACKSendSince() to avoid NPE
Add/tweak debug logging

Use socket address in PacketBuilder2
Decrypt session confirmed in-place
Check for RI in session confirmed
Copy session confirmed to PeerState2 for retx
RTT calculation fixes
State transitions
Javadoc fixes
WIP, untested

method to efficiently get all types in one pass

Fix Token Request and Retry payload generation
Implement Token Request and Retry payload decryption
Decrypt payloads in-place
Change from numbers to constants

Fix OES2 MTU
Fix Token Request header encryption

Fix NPE in PS2
Fix Token Request message type

Decrypt handshake headers in Packet Handler
Pass handshake messages to Establishment Manager
SSU 1 and 2: Pass establish state to Establishment Manager
so it doesn't have to look it up again
Add notes about causes of decrypt failures
WIP, untested

Implement handshake retransmissions
Fix up calls to IES2/OES2
split() TODO
not hooked in to PacketHandler yet
WIP, untested

Add getAltStyle() so getTargetAddresses() will return SSU2
Add getSSUVersion()

implement buildPing() and buildACK()

Handle complete messages and fragments in PeerState2
Send complete messages to transport
Add SSU2 constructor and reader in IMS
Change fragment callback to avoid an extra copy
Fix checks of fragment blocks
MessageReader cleanups for SSU1
Other cleanups

WIP, untested, not hooked in

Store CipherStates in PeerState2
Add missing getVersion() overrides

Increase credit if family sig is verified
Speed up analysis by only looping through RIs once
Add link to all family members
Add SUNYSB certificate
bump -2

Pass XDH key builder to UDPTransport
Add SSU2 static keygen when enabled
WIP, not hooked in

WIP, not hooked in