Split code into modules and add gulpfile

tsconfig.json

@@ -3,13 +3,14 @@
         "module": "commonjs",
         "target": "es3",
         "noImplicitAny": true,
-        "sourceMap": false,
-        "outDir": "javascript/"
+        "strictNullChecks": true,
+        "sourceMap": true,
+        "outDir": "dist/"
     },
     "exclude": [
         "node_modules"
     ],
     "files": [
-        "src/decrypt_bios.ts"
+        "src/*.ts"
     ]
 }