Major refactor for thread safety
Add a sleep interval to the maint threads
version bump
Disable tail tracker
No head or tail trackers
Fix for buffer size check
Another try at a tracke thread
Remove sleeps
Added sleep back to GC thread
Try to boost performance of GC
Another perf fix for GC
Another attempt at a perf fix
Try thread.pass
One more optimization to maintenance thread
Change order in maint thread
Overlay GC with out_buffer fills during pops
Code cleanup
Added a comment to the GC code