Response parse error has been fixed. (#65)

Author: MartinakDaniel

src/main/kotlin/com/hyperdevs/poeditor/gradle/network/PoEditorApiController.kt

@@ -61,7 +61,7 @@ class PoEditorApiControllerImpl(private val apiToken: String,
         val response = poEditorApi.getProjectLanguages(
             apiToken = apiToken,
             id = projectId).execute()
-        return response.onSuccessful { it.result.languages }
+        return response.onSuccessful { it.result?.languages ?: emptyList() }
     }
 
     @Suppress("LongParameterList")

src/main/kotlin/com/hyperdevs/poeditor/gradle/network/api/PoEditorApiModels.kt

@@ -37,7 +37,7 @@ data class ResponseStatus(val status: String,
  * PoEditor response to "list languages" call.
  */
 data class ListLanguagesResponse(override val response: ResponseStatus,
-                                 val result: ListLanguagesResult) : PoEditorResponse(response)
+                                 val result: ListLanguagesResult?) : PoEditorResponse(response)
 
 /**
  * Result of a "list language" call.