/op command: Show usage info if no user specified
Level included in data for event item.drop
Merge pull request #1112 from JWhy/patch-2

/op command: Show usage info if no user specified
Merge pull request #1109 from pemapmodder/master

Include level in $data for event item.drop
Fixed #1114 Furnace item duplication cheat
Save and send last slot used by player
Save and send hotbar history
pthreads 0.1.0 and Thread::kill(). Needs fix
Updated Travis-CI to PHP 5.5.x and pthreads to 0.1.0
Fixed #1117 enforce new pthreads version
Fix #1117 fix
Fixed #854 return not-safe spawn when safe spawn is not available
Fixed #823 /help outputs ansi colors
Allow custom arch. build on compiler