Fix OAuth broken API regression

Author: slandelle

client/src/main/java/org/asynchttpclient/oauth/ConsumerKey.java

@@ -26,7 +26,7 @@ public class ConsumerKey {
   private final String secret;
   private final String percentEncodedKey;
 
-  ConsumerKey(String key, String secret) {
+  public ConsumerKey(String key, String secret) {
     this.key = key;
     this.secret = secret;
     this.percentEncodedKey = Utf8UrlEncoder.percentEncodeQueryElement(key);
@@ -40,7 +40,7 @@ public String getSecret() {
     return secret;
   }
 
-  String getPercentEncodedKey() {
+  public String getPercentEncodedKey() {
     return percentEncodedKey;
   }
 

client/src/main/java/org/asynchttpclient/oauth/OAuthSignatureCalculator.java

@@ -41,7 +41,7 @@ public class OAuthSignatureCalculator implements SignatureCalculator {
    * @param consumerAuth Consumer key to use for signature calculation
    * @param userAuth     Request/access token to use for signature calculation
    */
-  OAuthSignatureCalculator(ConsumerKey consumerAuth, RequestToken userAuth) {
+  public OAuthSignatureCalculator(ConsumerKey consumerAuth, RequestToken userAuth) {
     this.consumerAuth = consumerAuth;
     this.userAuth = userAuth;
   }

client/src/main/java/org/asynchttpclient/oauth/Parameter.java

@@ -20,7 +20,7 @@ final class Parameter implements Comparable<Parameter> {
 
   final String key, value;
 
-  Parameter(String key, String value) {
+  public Parameter(String key, String value) {
     this.key = key;
     this.value = value;
   }

client/src/main/java/org/asynchttpclient/oauth/Parameters.java

@@ -19,16 +19,16 @@
 import java.util.Collections;
 import java.util.List;
 
-class Parameters {
+final class Parameters {
 
   private List<Parameter> parameters = new ArrayList<>();
 
-  Parameters add(String key, String value) {
+  public Parameters add(String key, String value) {
     parameters.add(new Parameter(key, value));
     return this;
   }
 
-  void reset() {
+  public void reset() {
     parameters.clear();
   }
 

client/src/main/java/org/asynchttpclient/oauth/RequestToken.java

@@ -28,7 +28,7 @@ public class RequestToken {
   private final String secret;
   private final String percentEncodedKey;
 
-  RequestToken(String key, String token) {
+  public RequestToken(String key, String token) {
     this.key = key;
     this.secret = token;
     this.percentEncodedKey = Utf8UrlEncoder.percentEncodeQueryElement(key);
@@ -42,7 +42,7 @@ public String getSecret() {
     return secret;
   }
 
-  String getPercentEncodedKey() {
+  public String getPercentEncodedKey() {
     return percentEncodedKey;
   }