Improve decoration design-pattern model of exceptions

api/src/main/kotlin/io/smnp/error/EnvironmentException.kt

@@ -3,6 +3,5 @@ package io.smnp.error
 import io.smnp.environment.Environment
 
 class EnvironmentException(exception: SmnpException, val environment: Environment) : SmnpException(
-   exception.friendlyName,
-   "${exception.message}\n\nStack trace:\n${environment.stackTrace()}"
+   exception.friendlyName, exception.message, exception
 )

api/src/main/kotlin/io/smnp/error/SmnpException.kt

@@ -1,3 +1,12 @@
 package io.smnp.error
 
-abstract class SmnpException(val friendlyName: String, message: String? = null) : Exception(message)
+abstract class SmnpException(val friendlyName: String, message: String? = null, val exception: SmnpException? = null) : Exception(message) {
+   val exceptionChain: List<SmnpException>
+   get() {
+      if(exception == null) {
+         return emptyList()
+      }
+
+      return listOf(this, *exception.exceptionChain.toTypedArray())
+   }
+}