Fix tests and asserts
Add disconnect tests
exif test
exif test
handle exif rotation
Merge branch 'master' of https://github.com/koush/ion

# By Koushik Dutta
# Via Koushik Dutta
* 'master' of https://github.com/koush/ion:
  handle exif rotation
  exif test
  exif test
  Add disconnect tests
  Fix tests and asserts