Corrected synchronization of Item's Entities.
Commented out synchronization of VisualPlayer's rotation; decremented update interval of ExploreServer to smooth synchronization.
Fixed wrong logic in [checked]Send method.
Fixed wrong logic in handling of check-sended packets.
Added clearBody method; Changed receive handler to clear body on pinback packets.
Fixed wrong order of statements in main.py.
Revert "Fixed wrong logic in [checked]Send method."

This reverts commit fa28689838d7a51475847d089ea04776784d939f.

Conflicts:
	src/engine/NetworkMessenger.cpp
Fixed crash on double transferred init packets.
Added dns resolution to connect window; added config values to define the ip and port displayed in the connect window.
Fixed wrong behaviour on receiving packets multiple times.
Changed visibility of Explore::saveConfig to public; added Explore::writeConfigValue; added bindings for these methods.
Made the connect window save the config file to store the selected server address.
Added saving of config file on application quit.
Started improving network code.