*Fixed deafult country selection issue
*Migrated to null safety
*Added option to change search bar hint.
*Fixed text alignment in search field
*Added function to get country by country code.
*Fixed Default country null issue.
*Added Utility functions: getDefaultCountry which return user's current country using its SIM country code. *Fixes and improvements.
*Added fix for sim card exception
*Added Utility functions: 1. showCountryPickerDialog & 2. showCountryPickerSheet *Fixes and improvements.
*Added an option to add decoration for Search Box *Other improvements.
*Added utility method for getting list of countries. You can try by just calling Utils.getCountries(). *Added option to set styles and flag size. *Other improvements.
*Contains a basic CountryPickerWidget with search option.