feat: improve txmetadata features

README.md

@@ -36,7 +36,7 @@ Build the android libraries to publish to Maven Central
 
 ### Use in other projects
 ```groovy
-dppVersion = "1.7.5"
+dppVersion = "1.7.6-SNAPSHOT"
 dependencies {
     implementation "org.dashj.platform:dash-sdk-java:$dppVersion"
     implementation "org.dashj.platform:dash-sdk-kotlin:$dppVersion" // dpp

build.gradle

@@ -1,7 +1,7 @@
 buildscript {
-    ext.version = '1.7.5'
+    ext.version = '2.0.0-TX-SNAPSHOT'
     ext.kotlin_version = '1.8.22'
-    ext.dashj_version = '21.1.7'
+    ext.dashj_version = '21.1.9'
     repositories {
         google()  // Required for Android library and application projects
         mavenCentral()