1.0.6

Change log:

• Support specification of location to post_photo(), post_video()
• Proxy support (alpha)
• Support usertags in edit_media() (app client)
• New endpoint functions for app client
  • expose()
  • megaphone_log()
  • discover_channels_home()
  • discover_chaining()
  • user_map()
  • feed_popular()
  • friendships_block()
  • usertag_self_remove()
  • edit_profile()
  • logout()