added _(...).bind defs

lodash/lodash-tests.ts

@@ -432,11 +432,12 @@ _.forEach(saves, function(type) {
 });
 
 var funcBind = function (greeting) { return greeting + ' ' + this.name };
-// need a second var otherwise typescript thinks func signature is the above func type,
-// instead of the newly returned _bind => func type.
 var funcBind2: () => any = _.bind(funcBind, { 'name': 'moe' }, 'hi');
 funcBind2();
 
+var funcBind3: () => any = _(funcBind).bind({ 'name': 'moe' }, 'hi').value();
+funcBind3();
+
 var view = {
  'label': 'docs',
  'onClick': function() { console.log('clicked ' + this.label); }

lodash/lodash.d.ts

@@ -1900,6 +1900,15 @@ declare module _ {
 		thisArg: any,
 		...args: any[]): () => any;
 
+		interface LoDashWrapper<T> {
+			/**
+			* @see _.bind
+			**/
+			bind(
+				thisArg: any,
+				...args: any[]): LoDashWrapper<() => any>;
+		}
+
 	/**
 	* Binds methods of an object to the object itself, overwriting the existing method. Method 
 	* names may be specified as individual arguments or as arrays of method names. If no method