fixup empty url parameter bug

Author: koush

AndroidAsync-Kotlin/build.gradle

@@ -1,6 +1,16 @@
 apply plugin: 'com.android.library'
-apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+buildscript {
+    ext.kotlin_version = '1.3.50'
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
 
 android {
     compileSdkVersion 29
@@ -39,9 +49,9 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 
     testImplementation 'junit:junit:4.12'
-    testImplementation 'org.jetbrains.kotlin:kotlin-test-junit:1.0.6'
-    androidTestImplementation 'androidx.test:runner:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+    testImplementation 'org.jetbrains.kotlin:kotlin-test-junit:1.3.50'
+    androidTestImplementation 'androidx.test:runner:1.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 }
 
 // upload to maven task

AndroidAsync/src/com/koushikdutta/async/http/Multimap.java

@@ -97,9 +97,9 @@ public static Multimap parse(String value, String delimiter, String assigner, bo
             String v = null;
             if (pair.length > 1)
                 v = pair[1];
-            if (unquote && v != null && v.endsWith("\"") && v.startsWith("\""))
+            if (v != null && unquote && v.endsWith("\"") && v.startsWith("\""))
                 v = v.substring(1, v.length() - 1);
-            if (decoder != null) {
+            if (v != null && decoder != null) {
                 key = decoder.decode(key);
                 v = decoder.decode(v);
             }