Adding partial long stack support
AutoDetachObserver: remove value parameter from getDisposable() method
Adding parent/child to Observable.create
Merge pull request #420 from patrickkamin/auto-detach-observer-fix

AutoDetachObserver: remove value parameter from getDisposable() method
Fixing fromCallback bug for Issue #417
Version bump to 2.3.20
Adding more to Issue #338
Fix typo in VirtualTimeScheduler doc.
Merge pull request #422 from scouten/fix-virtual-time-scheduler-doc

Fix typo in VirtualTimeScheduler doc.
Fix link to subscribeOnError link
Merge pull request #426 from juniorz/patch-1

Fix link to subscribeOnError link
Use cached jQuery $results consistently
Merge pull request #429 from jayphelps/patch-1

Use cached jQuery $results consistently
Adding more backpressure operators
Closing Issue #430 with native Object#propertyIsEnumerable
Adding tessel example for Issue #430
Fixing Issue #432
Adding windowed and stopandwait to backpressure
Adding wsh example
Updating to 2.3.21