Added initial DelegatorsParam and spec

- Still needs to be finalized, but this has been out of VCS for
  too long and needs to be pushed up so it doesn't dissapear.
Signed-off-by: Mark Stenglein <mstengle@gmu.edu>

src/DelegatorsParam.ts

@@ -29,11 +29,11 @@ export default class DelegatorsParam extends Parameter {
         }
     }
 
-    get delegators(): string | string[] {
+    get delegators(): string[] {
         return this._delegators;
     }
 
-    set delegators(newDelegators: string | string[]) {
+    set delegators(newDelegators: string[]) {
         this._delegators = newDelegators;
     }
 }

test/DelegatorsParam.spec.ts

+/*
+* lib-ical
+* Copyright (C) 2017 Mark Stenglein
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Affero General Public License as published
+* by the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU Affero General Public License for more details.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+import DelegatorsParam from "../src/DelegatorsParam";
+import { expect } from "chai";
+import "mocha";
+
+/**
+ * Test the DelegatorsParam class.
+ */
+describe("DelegatorsParam", () => {
+    it("Should exist", () => {
+        expect(DelegatorsParam).to.exist;
+    });
+
+});
+