Make sure that purposely "falsey" values can be set for a binding.

@@ -23,28 +23,23 @@
 
     Binding.prototype.set = function(value) {
       var formatter, _i, _len, _ref;
-      if (value == null) {
-        value = null;
-      }
-      if (value || (value = Rivets.config.adapter.read(this.context, this.keypath))) {
       _ref = this.formatters;
       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
         formatter = _ref[_i];
         value = Rivets.config.formatters[formatter](value);
       }
       return this.routine(this.el, value);
-      }
     };
 
     Binding.prototype.bind = function() {
       var _ref,
         _this = this;
-      if (Rivets.config.preloadData) {
-        this.set();
-      }
       Rivets.config.adapter.subscribe(this.context, this.keypath, function(value) {
         return _this.set(value);
       });
+      if (Rivets.config.preloadData) {
+        this.set(Rivets.config.adapter.read(this.context, this.keypath));
+      }
       if (_ref = this.type, __indexOf.call(bidirectionals, _ref) >= 0) {
         return this.el.addEventListener('change', function(e) {
           var el;

@@ -16,8 +16,7 @@ class Rivets.Binding
 
   # Sets a value for this binding. Basically just runs the routine on the
   # element with a suplied value and applies any formatters.
-  set: (value = null) =>
-    if value or= Rivets.config.adapter.read @context, @keypath
+  set: (value) =>
     for formatter in @formatters
       value = Rivets.config.formatters[formatter] value
 
@@ -27,9 +26,11 @@ class Rivets.Binding
   # Conditionally also does the inverse and listens to the element for changes
   # to propogate back to the context object.
   bind: =>
-    @set() if Rivets.config.preloadData
     Rivets.config.adapter.subscribe @context, @keypath, (value) => @set value
 
+    if Rivets.config.preloadData
+      @set Rivets.config.adapter.read @context, @keypath
+
     if @type in bidirectionals
       @el.addEventListener 'change', (e) =>
         el = e.target or e.srcElement