Input range slider not sliding in ionic-researchKit library with latest ionic (1.2.4)

I am trying to use ionic-researchKit but it seems the slider are not working properly (not being able to slide it which is the default functionality and purpose of using slider for input purpose but it works if I tap on different range values).

Here is the link to library:

I have tested this on chrome, iOS and Android. The developer of library has admitted the issue.

But at the moment I am looking for any possible workaround to this issue until library developer resolves this.