Milestone 2

Added

• StreamDecorator abstract class used to make pipeline of streams,
• Connector interface, used as abstraction for creating connection streams,
• Dumping utility, that can be accessed via \Kadet\Xmpp\helper\dd function,
• XmppClient class which acts like dependency injection container for modules,
• Authenticator module interface,
• SaslAuthenticator implementing interface mentioned above,
• Stanza model class for handling stanzas

Changed

• XmlFactory now creates XmlElement instead of just returning class,
• Library is now using own class to handle XML element,
• Encryption is now handled by TlsEnabler module

Removed

• XmppStream class was merged into XmppClient

Milestone 1

First milestone completed, Fully implemented XML handling and Pre-SASL stream support.