Better connection checking

• Fix small bug and improve user experience

• Fix keyboard layout issue on some devices

• Fix networking issue

• Fix Connection Bug

• Fix small bug

• Fix Currency API

• Launch page ui fix

• iPhone X adoption

Bug Fix

Fix crash bug in iOS 11.3

1, Fix bug

1, Fix Setting popup bug
2, Fix Swipe moving update bug

1, fix bug

1, fix bug
2, update app

1, Fix ios 9 display bug

1, iphone 6 & iphone 6+ resolution
2, Fix bug

1, Update real time exchange currency rate
2, Travel use enhancement

1， Improve user experience

1, Add more country currency
2, IOS 7 adaptation

1, Add more country currency.
2, Add offline mode, works without internet after first time launch.
3, Add iPad version, works both iPhone and iPad.

Fix small bug

1, New Icon
2, New Default Top Currency

* Sort currencies on top
* Support Portuguese, French, Korean, German, and Russian

* New data source (Stability improvement)

* Performance improvement
* Add some setting options