Dynamically setting min/max of an ion-range does not update the UI

[shanesmith]

Ionic version: (check one with "x")
[ ] 1.x
[ ] 2.x
[x] 3.x

I'm submitting a ... (check one with "x")
[x] bug report
[ ] feature request
[ ] support request => Please do not submit support requests here, use one of these channels: https://forum.ionicframework.com/ or http://ionicworldwide.herokuapp.com/

Current behavior:
Setting a new min or max doesn't update the UI until the value is updated.

Expected behavior:
Setting a new min or max should update the UI immediately.

Steps to reproduce:
Set [min] or [max] on an ion-range and update the value.

http://plnkr.co/edit/iZ1CLvqZ64D9Qjo53JWK?p=preview

Ionic info: (run ionic info from a terminal/cmd prompt and paste output below):

Cordova CLI: 6.5.0
Ionic Framework Version: 3.2.0
Ionic CLI Version: 2.2.3
Ionic App Lib Version: 2.2.1
Ionic App Scripts Version: 1.3.7
ios-deploy version: 1.9.1
ios-sim version: 5.0.13
OS: OS X El Capitan
Node Version: v7.2.1
Xcode version: Xcode 8.2.1 Build version 8C1002

[ionitron-bot]

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