Finalization before debugging.
Merge branch 'master' of https://github.com/prShadoko/IGP_POP3

Conflicts:
	src/poplib/command/CommandErr.java
	src/popserver/factory/ServerStateFactory.java
	src/popserver/service/MailboxService.java
	src/popserver/service/impl/MailboxServiceImpl.java
	src/popserver/state/AuthorizationState.java
	src/popserver/state/TransactionState.java
	src/popserver/state/UpdateState.java