Fix some building issues in v1.4.1
Merge pull request #201 from HolymarsHsieh/fix

Fix some issues in v1.4.1

Thanks @HolymarsHsieh :+1:
Update README.md
added "using System" so things will work corrctly on Android

closes #201
Update changelog.md

Fix type in version patch number
Fixed builds of android-store and ios-store
Fixed: Refreshed items were not parsed correctly

fixes #207
Setting default values in configuration
Update README.md
Update README.md
Update changelog.md
Updated submodules
Fixed SDK version in the settings screen