Fix country updating bugs and add missing dial codes

Fix NPE when changing flags with an invalid country code input
Fix flag being wrongly updated for duplicate dial codes
Add missing dialing codes

src/lib/src/component/int-phone-prefix/int-phone-prefix.component.ts

@@ -147,7 +147,7 @@ export class IntPhonePrefixComponent implements OnInit, ControlValueAccessor {
     private updatePhoneInput(countryCode: string) {
         this.showDropdown = false;
 
-        let newInputValue: string = IntPhonePrefixComponent.startsWithPlus(this.phoneInput)
+        let newInputValue: string = IntPhonePrefixComponent.startsWithPlus(this.phoneInput) && this.selectedCountry
             ? `${this.phoneInput.split(PLUS)[1].substr(this.selectedCountry.dialCode.length, this.phoneInput.length)}`
             : this.phoneInput;
 
@@ -157,9 +157,13 @@ export class IntPhonePrefixComponent implements OnInit, ControlValueAccessor {
 
     private findPrefix(prefix: string) {
         let foundPrefixes: Country[] = this.countries.filter((country: Country) => prefix.startsWith(country.dialCode));
-        this.selectedCountry = !_.isEmpty(foundPrefixes)
+        let selectedPrefix: Country = !_.isEmpty(foundPrefixes)
             ? IntPhonePrefixComponent.reducePrefixes(foundPrefixes)
             : null;
+        if (selectedPrefix && this.selectedCountry && selectedPrefix.dialCode === this.selectedCountry.dialCode) {
+            return;
+        }
+        this.selectedCountry = selectedPrefix;
     }
 
     private updateValue() {

src/lib/src/service/country.service.ts

@@ -1,5 +1,5 @@
 import {Injectable} from '@angular/core';
-import {Country} from "../interface/country.interface";
+import {Country} from '../interface/country.interface';
 
 @Injectable()
 export class CountryService {
@@ -1147,6 +1147,111 @@ export class CountryService {
         name: '',
         dialCode: '358',
         countryCode: 'ax'
+      },
+      {
+        name: '',
+        dialCode: '93',
+        countryCode: 'af'
+      },
+      {
+        name: '',
+        dialCode: '355',
+        countryCode: 'al'
+      },
+      {
+        name: '',
+        dialCode: '213',
+        countryCode: 'dz'
+      },
+      {
+        name: '',
+        dialCode: '1684',
+        countryCode: 'as'
+      },
+      {
+        name: '',
+        dialCode: '376',
+        countryCode: 'ad'
+      },
+      {
+        name: '',
+        dialCode: '244',
+        countryCode: 'ao'
+      },
+      {
+        name: '',
+        dialCode: '1264',
+        countryCode: 'ai'
+      },
+      {
+        name: '',
+        dialCode: '672',
+        countryCode: 'aq'
+      },
+      {
+        name: '',
+        dialCode: '1268',
+        countryCode: 'ag'
+      },
+      {
+        name: '',
+        dialCode: '54',
+        countryCode: 'ar'
+      },
+      {
+        name: '',
+        dialCode: '374',
+        countryCode: 'am'
+      },
+      {
+        name: '',
+        dialCode: '297',
+        countryCode: 'aw'
+      },
+      {
+        name: '',
+        dialCode: '61',
+        countryCode: 'au'
+      },
+      {
+        name: '',
+        dialCode: '43',
+        countryCode: 'at'
+      },
+      {
+        name: '',
+        dialCode: '55',
+        countryCode: 'bv'
+      },
+      {
+        name: '',
+        dialCode: '262',
+        countryCode: 'tf'
+      },
+      {
+        name: '',
+        dialCode: '6723',
+        countryCode: 'hm'
+      },
+      {
+        name: '',
+        dialCode: '599',
+        countryCode: 'an'
+      },
+      {
+        name: '',
+        dialCode: '64',
+        countryCode: 'pn'
+      },
+      {
+        name: '',
+        dialCode: '500',
+        countryCode: 'gs'
+      },
+      {
+        name: '',
+        dialCode: '699',
+        countryCode: 'um'
       }
     ];
   }