Fixed SDK targeting
Removed hardcoded strings
Throwing exception to fill expectations
Unnecessary casting
Possibility to use library on non-UI thread (calling Looper.prepare) #397
Refactoring gone wrong, flipped condition #397
Merge branch 'master' of https://github.com/loopj/android-async-http

# By mareksebera
# Via mareksebera
* 'master' of https://github.com/loopj/android-async-http:
  Refactoring gone wrong, flipped condition #397
  Possibility to use library on non-UI thread (calling Looper.prepare) #397
  Unnecessary casting
  Throwing exception to fill expectations
  Removed hardcoded strings
  Fixed SDK targeting