Version 0.1 Storage update

• Fix unexpected disconnect
• Removed unused tlsSetting class
• Removed "extra" from events.
• Replaced "extra" with "storage" for clients.
• Storage now supports storing custom data by key.
• Added support for storing expiring data in storage.
• Removed unused "extra" class
• Added a "ping_time" to client to store the timestamp of the last ping.
• "parse_extra" now don't return Extra class
• add default value for Storage.get
• Global storage for server

Version 0.0.1.2 First changelog patch

• Fix receiving data with several clients
• Now PlankyClient creating for next clients
• Clients stored in PlankyHandler.clients with specific id
• Now callbacks will receive client and event
• Events now contains extra instead of client_ip and client_port