Exceptions moved to separate files and changed namespace. For compatibility there is Typo3/ClassAliasLoader with aliased old namespaces. For future uses please use new namespaces.
\Kdyby\Redis\ConnectionException => \Kdyby\Redis\Exception\ConnectionException
\Kdyby\Redis\Exception => \Kdyby\Redis\Exception\IException
\Kdyby\Redis\InvalidArgumentException => \Kdyby\Redis\Exception\InvalidArgumentException
\Kdyby\Redis\LockException => \Kdyby\Redis\Exception\LockException
\Kdyby\Redis\MissingExtensionException => \Kdyby\Redis\Exception\MissingExtensionException
\Kdyby\Redis\RedisClientException => \Kdyby\Redis\Exception\RedisClientException
\Kdyby\Redis\SessionHandlerException => \Kdyby\Redis\Exception\SessionHandlerException
\Kdyby\Redis\TransactionException => \Kdyby\Redis\Exception\TransactionException