Merge https://github.com/stqism/ProjectTox-Core
Merge branch 'master' of git://github.com/irungentoo/ProjectTox-Core
Merge branch 'master' of git://github.com/irungentoo/ProjectTox-Core
core: Move send ping packets functions to ping.c
core: Move send ping packets functions to ping.c
Merge branch 'dev'

Conflicts:
	core/packets.h
	core/ping.c
core: Move ping request/response into ping.c
Added a linked list implementation.
Merge branch 'master' of https://github.com/plutooo/ProjectTox-Core into plutooo-master

Conflicts:
	core/ping.c
	core/util.c
fixed print_statuschange & m_set_userstatus usage in nTox_win32.c
core: Moved handle ping packets to ping.c
Merge pull request #361 from plutooo/master

core: Moved handle ping packets to ping.c
Added ERROR() and WARNING() for debugging.
Merge pull request #362 from KostyaKow/master

Added linked list and stuff for debugging.
Small bug fixed.
Merge branch 'master' of https://github.com/irungentoo/ProjectTox-Core
code format/clean up
Merge pull request #363 from JFreegman/master

code format/clean up
Added a linked list implementation.
Added ERROR() and WARNING() for debugging.