Add lazy compact and toArray.

lodash.src.js

@@ -11087,6 +11087,10 @@
       };
     });
 
+    LazyWrapper.prototype.compact = function() {
+      return this.filter(identity);
+    };
+
     LazyWrapper.prototype.dropWhile = function(iteratee, thisArg) {
       var done;
       iteratee = getCallback(iteratee, thisArg, 3);
@@ -11113,6 +11117,10 @@
       return result;
     };
 
+    LazyWrapper.prototype.toArray = function() {
+      return this.drop(0);
+    };
+
     // Add `LazyWrapper` methods to `lodash.prototype`.
     baseForOwn(LazyWrapper.prototype, function(func, methodName) {
       var lodashFunc = lodash[methodName],