commit release 0.4.1DEV for local testing
Fix Alchemy::getInst()
Index common node/edge data structures
Simplify edge drawing
Remove excess iteration
Reduce duplicate ticking depending on forceLocked
Generic instances only
Merge branch 'optimization' of github.com:MDCox/Alchemy-1 into MDCox-optimization
Merge branch 'MDCox-optimization' into release-0.4.1
Merge branch 'release-0.4.1' of https://github.com/GraphAlchemist/alchemy into release-0.4.1