refactor KKService
add missing functions
refactoring code
Merge pull request #65 from KKBOX/dev_wendy

refactoring code
Merge remote-tracking branch 'origin/master' into dev
Modify the parameter of the named setMultiTextView method  type String to CharSequence
Merge pull request #66 from KKBOX/dev_ethan

Modify the parameter of the named setMultiTextView method  type String to CharSequence
Merge pull request #69 from KKBOX/master

Fix ConcurrentModificationException