Change event listener from click to change on import buttons

Fixes #326

Author: reconman

dist/manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "name": "SaltBot",
   "description": "This extension automates betting on SaltyBet.com.",
-  "version": "2.6.3",
+  "version": "2.6.4",
   "permissions": [
     "storage",
     "unlimitedStorage",

dist/popup.html

@@ -84,7 +84,7 @@ <h2 class="subheading">Chromosomes Management</h2>
 <div id="bec" class="btn btn-inline btn-small btn-success" data-bind="click: ecClick">
 	Export
 </div>
-<div id="bic" class="btn btn-inline btn-small btn-success" style="position: relative; width: 45px" data-bind="click: icClick">
+<div id="bic" class="btn btn-inline btn-small btn-success" style="position: relative; width: 45px" data-bind="event: { change: icClick }">
 	<span style="top: 5px; left:3px ;">Import</span>
 </div>
 <input type="file" id="upload_c" style="display: none">
@@ -99,7 +99,7 @@ <h2 class="subheading">Records Management</h2>
 <div id="bir" class="btn btn-inline btn-small btn-success" style="position: relative; width: 45px;">
 	<span id="text_upload_r" style="top: 5px; left:3px ;">Import</span>
 </div>
-<input type="file" id="upload_r" style="display: none" data-bind="click: irClick">
+<input type="file" id="upload_r" style="display: none" data-bind="event: { change: irClick }">
 
 <h2 class="subheading">Options</h2>
 <div id="tv" class="btn btn-inline btn-small btn-success" data-bind="click: tvClick">