Update tsconfig and tslint, fix issues

src/fsi.ts

@@ -116,7 +116,7 @@ function fsi20DecNewKeygen(serial: string): string {
         "9137605284", "3974018625", "8052974163"
     ];
 
-    return [0, 2, 5, 11, 13, 15, 16].map((val, i, arr) => {
+    return [0, 2, 5, 11, 13, 15, 16].map((val, i) => {
         let temp = parseInt(serial.charAt(val), 10);
         return fKeys[i].charAt(temp);
     }).join("");

src/phoenix.ts

@@ -1,6 +1,6 @@
 /* tslint:disable:no-bitwise */
 import {
-    asciiToKeyboardEnc, keyboardEncToAscii, makeSolver, reversedScanCodes, Solver
+    asciiToKeyboardEnc, keyboardEncToAscii, reversedScanCodes, Solver
 } from "./utils";
 
 export const enum PhoenixErrors {
@@ -36,7 +36,7 @@ const digitsOnly: string[] = "123456789".split("");
 
 const lettersOnly: string[] = "abcdefghijklmnopqrstuvwxyz".split("");
 
-const alphaNumeric: string[] = lettersOnly.concat(digitsOnly);
+// const alphaNumeric: string[] = lettersOnly.concat(digitsOnly);
 
 const defaultPhoenix: PhoenixInfo = {
     shift: 0,