implementing issue #194. ASK will not determine when to mirror the keys, no need for layout developer to decide.
changing the NG bottom row to reflect the new ASK ability (see issue #194)
working on v107
working on v107
fix for issue #196 - NPE in really rare cases
adding internal structure validation to the BTreeDictionay test
improvement based on issue #190
animation will occur only once per tip per install. Issue #85
issues #85 and #86. Their states are intance bound, which means that if the user will re-launch ASK, they will be reset