Enable child sticky header

v0.9.3

Merge branch 'child-sticky-header'

Fix StickyHeader not change when call notifyDataSetChanged.

v0.9.2

Fix StickyHeader not change when call notifyDataSetChanged.

Fix animation not working when the last group contains more than an screen items

Fix animation not working when the last group contains more than an s…

…creen items

Let jitpack support gradle7.0

v0.9.0

Let jitpack support gradle7.0

v.0.8.9

• Fix stickyHeader flash when call notifyDataSetChange.

Fix Sticky header bug.

v0.8.7

Update to 0.8.7

Fix ItemClipper leak occur item not complete visible.

v0.8.6

Update to v0.8.6

Fix ViewHolder's ItemView with elevation make animation leak.

Merge pull request #25 from pokercc/fix/childItemWithElevation

Fix/child item with elevation

Proguard fix

Fix ExpandableRecyclerView.isTransformedTouchPointInView removed by proguard.

StickyHeader bug fix.

v0.8.3

Update to v0.8.3