v0.9.1

The main features of this release are:

• explicit unregister command for mixnodes
• introduced gateway client reconnection in case of obvious network failures
• changed network monitor to send at a constant, adjustable, rate
• changed the way in which packets are delayed by mixnodes that should reduce number of tasks spawned
• changed the way in which packets are forwarded to further mixes that should get rid of possible blocking

See the changelog for detailed release notes.