Merge branch 'sprint' into 'master'

Sprint to Master

See merge request open-platform/api!175

Author: evgeny-krylov

build.gradle

@@ -11,7 +11,7 @@ plugins {
 apply plugin: "io.spring.dependency-management"
 
 group = "io.openfuture.api"
-version = "2.3.0"
+version = "2.4.0"
 sourceCompatibility = JavaVersion.VERSION_1_8
 
 repositories {