Added basic Typescript Support

Author: men

PowerArray.d.ts

@@ -0,0 +1,11 @@
+interface Array<T> {
+    Where(whereConditions: Object, keepOrder? : boolean): Array<T>;
+    WhereIndexes(whereConditions: Object, keepOrder : boolean) : Array<Number>;
+    RunEach(task: Function, callback?: Function, keepOrder?: boolean, progress?: Function);
+    getPropertyFlat(property: string, keepOrder?: boolean, includeDuplicates?: boolean, includeUndefineds?: boolean);
+    First(whereConditions);
+}
+
+declare function In(list: any): any;
+declare function Like(a: any): any;
+declare function NotEqualTo3(a: any): any;