crash when list size zero and click on index bar

[DashrathAhir]

When list size zero and click on index bar crash app even hide the index bar and set width 0

[myinnos]

Fixed this, Please upgrade to latest version(1.0.6)

dependencies {
   compile 'com.github.myinnos:AlphabetIndex-Fast-Scroll-RecyclerView:1.0.6'
}