diff --git a/examples/bld/lib/bld/bld-wrapper.properties b/examples/bld/lib/bld/bld-wrapper.properties
index 8499fac..1243fad 100644
--- a/examples/bld/lib/bld/bld-wrapper.properties
+++ b/examples/bld/lib/bld/bld-wrapper.properties
@@ -1,7 +1,7 @@
 bld.downloadExtensionJavadoc=false
 bld.downloadExtensionSources=true
 bld.extension-jacoco=com.uwyn.rife2:bld-jacoco-report:0.9.5
-bld.extensions=com.uwyn.rife2:bld-kotlin:0.9.8
+bld.extensions=com.uwyn.rife2:bld-kotlin:0.9.7
 bld.repositories=MAVEN_LOCAL,MAVEN_CENTRAL,RIFE2_SNAPSHOTS,RIFE2_RELEASES
 bld.downloadLocation=
 bld.sourceDirectories=
diff --git a/lib/bld/bld-wrapper.properties b/lib/bld/bld-wrapper.properties
index 2472505..3bec20e 100644
--- a/lib/bld/bld-wrapper.properties
+++ b/lib/bld/bld-wrapper.properties
@@ -1,7 +1,7 @@
 bld.downloadExtensionJavadoc=false
 bld.downloadExtensionSources=true
 bld.extension-jacoco=com.uwyn.rife2:bld-jacoco-report:0.9.5
-bld.extensions=com.uwyn.rife2:bld-kotlin:0.9.8
+bld.extensions=com.uwyn.rife2:bld-kotlin:0.9.7
 bld.extension-detekt=com.uwyn.rife2:bld-detekt:0.9.4
 bld.repositories=MAVEN_LOCAL,MAVEN_CENTRAL,RIFE2_SNAPSHOTS,RIFE2_RELEASES
 bld.downloadLocation=
diff --git a/src/main/kotlin/net/thauvin/erik/isgd/Config.kt b/src/main/kotlin/net/thauvin/erik/isgd/Config.kt
index fbf5209..67587fc 100644
--- a/src/main/kotlin/net/thauvin/erik/isgd/Config.kt
+++ b/src/main/kotlin/net/thauvin/erik/isgd/Config.kt
@@ -34,13 +34,22 @@ package net.thauvin.erik.isgd
 /**
  * Provides a builder to create/lookup an is.gd shortlink.
  */
-class Config private constructor(builder: Builder) {
-    val url: String = builder.url
-    val shorturl: String = builder.shorturl
-    val callback: String = builder.callback
-    val logstats: Boolean = builder.logstats
-    val format: Format = builder.format
-    val isVgd: Boolean = builder.isVgd
+class Config(
+    var url: String = "",
+    var shorturl: String = "",
+    var callback: String = "",
+    var logstats: Boolean = false,
+    var format: Format = Format.SIMPLE,
+    var isVgd: Boolean = false
+) {
+    constructor(builder: Builder) : this() {
+        url = builder.url
+        shorturl = builder.shorturl
+        callback = builder.callback
+        logstats = builder.logstats
+        format = builder.format
+        isVgd = builder.isVgd
+    }
 
     /**
      * Configures the parameters to create/lookup an is.gd shortlink.
@@ -64,7 +73,7 @@ class Config private constructor(builder: Builder) {
         /**
          * You can specify the shorturl parameter if you'd like to pick a shortened URL instead of
          * having is.gd randomly generate one. These must be between 5 and 30 characters long and can only contain
-         * alphanumeric characters and underscores. Shortened URLs are case-sensitive. Bear in mind that a desired
+         * alphanumeric characters and underscores. Shortened URLs are case sensitive. Bear in mind that a desired
          * short URL might already be taken (this is very often the case with common words) so if you're using this
          * option be prepared to respond to an error and get an alternative choice from your app's user.
          */