Update to TypeScript 3.3.3333. (#217)

Linked against union TS 3.3.3333 and everything builds.

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package.json

@@ -38,7 +38,7 @@
  "tmp": "^0.0.33",
  "ts-node": "^5.0.1",
  "tslint": "~5.9.1",
- "typescript": "~2.9.2",
+ "typescript": "3.3.3333",
  "yalc": "~1.0.0-pre.21"
  },
  "dependencies": {

yarn.lock

@@ -2445,10 +2445,10 @@ tsutils@^2.12.1:
  dependencies:
  tslib "^1.8.1"
 
-typescript@~2.9.2:
- version "2.9.2"
- resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"
- integrity sha512-Gr4p6nFNaoufRIY4NMdpQRNmgxVIGMs4Fcu/ujdYk3nAZqk7supzBE9idmvfZIlH/Cuj//dvi+019qEue9lV0w==
+typescript@3.3.3333:
+ version "3.3.3333"
+ resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.3.3333.tgz#171b2c5af66c59e9431199117a3bcadc66fdcfd6"
+ integrity sha512-JjSKsAfuHBE/fB2oZ8NxtRTk5iGcg6hkYXMnZ3Wc+b2RSqejEqTaem11mHASMnFilHrax3sLK0GDzcJrekZYLw==
 
 uglify-js@^2.6:
  version "2.8.29"