Using broofa/node-uuid uuid library

For better random generation

h/js/displayer.coffee

@@ -16,7 +16,9 @@ class Displayer
   this.$inject = ['$scope','$element','$timeout','streamfilter']
   constructor: ($scope, $element, $timeout, streamfilter) ->
     # Generate client ID
-    @clientID = UUIDjs.create().toString()
+    buffer = new Array(16)
+    uuid.v4 null, buffer, 0
+    @clientID = uuid.unparse buffer
 
     $scope.root = document.init_annotation
     $scope.annotation = $scope.root.annotation

h/js/services.coffee

@@ -56,7 +56,9 @@ class Hypothesis extends Annotator
     super ($document.find 'body')
 
     # Generate client ID
-    @clientID = UUIDjs.create().toString()
+    buffer = new Array(16)
+    uuid.v4 null, buffer, 0
+    @clientID = uuid.unparse buffer
     $.ajaxSetup headers: "x-client-id": @clientID
 
     # Load plugins

h/js/stream.coffee

@@ -27,7 +27,9 @@ class Stream
       filterClause = 'user:i=' + $scope.filterValue
 
     # Generate client ID
-    @clientID = UUIDjs.create().toString()
+    buffer = new Array(16)
+    uuid.v4 null, buffer, 0
+    @clientID = uuid.unparse buffer
 
     $scope.filter =
       streamfilter