added _(...).defer defs

lodash/lodash-tests.ts

@@ -542,6 +542,7 @@ source.addEventListener('message', <_.LoDashWrapper<Function>>_(function() {}).d
 }), false);
 
 result = <number>_.defer(function() { console.log('deferred'); });
+result = <_.LoDashWrapper<number>>_(function() { console.log('deferred'); }).defer();
 
 var log = _.bind(console.log, console);
 result = <number>_.delay(log, 1000, 'logged later');

lodash/lodash.d.ts

@@ -2129,6 +2129,13 @@ declare module _ {
 		func: Function,
 		...args: any[]): number;
 
+		interface LoDashWrapper<T> {
+			/**
+			* @see 
+			**/
+			defer(...args: any[]): LoDashWrapper<number>;
+		}
+
 	/**
 	* Executes the func function after wait milliseconds. Additional arguments will be provided 
 	* to func when it is invoked.