Merge pull request #16 from pseudoankit/fix-showing-last-tooltip

reset visible tooltip list before setting new one

Author: ankitk77

coachmark/src/main/java/com/pseudoankit/coachmark/scope/CoachMarkScopeImpl.kt

@@ -30,6 +30,8 @@ internal class CoachMarkScopeImpl(
 
     private var _visibleTooltips = listOf<TooltipConfig>()
         set(value) {
+            // resetting all values before setting new ones
+            field = listOf()
             _visibleTooltipIndex = 0
             updateVisibleItem(value, _visibleTooltipIndex)
             field = value