4.1.2

• Fix wrong types specified in TypeScript
  #231
• Cleaned up directory structure
  #235
  #237
  #232
• Updated example apps dependencies
  #240
  #239
  #233
  #227
  #226
  #234
• Bumped purchases-hybrid-common to 1.6.3 Changelog here
• Bumped purchases-ios to 3.11.1 Changelog here
  #243