SqlStateMachine: First alpha
SqlStateMachine working, alpha
Merge branch 'master' into sqlstatemachine
BackendIMAP: ChangesSink could start without being initialized causing a deadlock with the email states
BackendCardDAV: ChangesSink - We sleep if the sink is uninitialized
SqlStateMachine - beta, more simple
Better README
MySQL: TEXT 65536 - MEDIUMTEXT 16777216
MySQL - Compress states table
Reduce debug verbose