anti-sync doesn't run

I made the wrong assumption on how sync works.  Anti-sync wasn't running
at all.  It should work now.  Changed it so negative sine values are
anti-sync.
Merge branch 'issue179' of https://github.com/lnevo/Libraries.git into dev
Merge branch 'gyrefix' of https://github.com/amunter/Libraries.git into dev
Merge branch 'byteroundingfix' of https://github.com/amunter/Libraries.git into dev
Merge branch 'credit-for-else-mode' of https://github.com/amunter/Libraries.git into dev
Merge branch 'dev' into current