Move packing of obj_created event out of rbkit_tracer
Fix type of argument
Refactor packing of obj_destroyed and gc events
Refactor packing of generic hash events (gc_stats)
Refactor packing of object_space_dump event
Fix failing spec
Refactor packing of event_collection event
Remove unnecessary msgpack inclusion
Merge remote-tracking branch 'origin/master' into refactor-packing
Fix failing specs
Add specs for gc stats event
Merge pull request #80 from code-mancers/gc-stats-spec

Add specs for gc stats event
Merge remote-tracking branch 'origin/master' into refactor-packing
Update with master, update specs
Fix compilation warnings
Remove timestamp field which is unused
Merge pull request #76 from code-mancers/refactor-packing

Refactor packing
Convert object_id to unisgned long
Use unsigned long long for object ids
Pack obj ids using unsigned long long packer