Updated changelog + bump package version

Author: alelievr

Assets/com.alelievr.NodeGraphProcessor/package.json

@@ -1,7 +1,7 @@
 {
     "name": "com.alelievr.node-graph-processor",
     "displayName": "Node Graph Processor",
-    "version": "0.10.3",
+    "version": "0.10.4",
     "unity": "2019.3",
     "description": "Node graph editor framework focused on data processing using Unity UIElements and C# 4.7",
     "keywords": [

CHANGELOG.md

@@ -4,6 +4,17 @@ All notable changes to this package will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [0.10.4]
+
+### Added
+- Added deletable bool API on the BaseNode
+
+### Fixed
+- Fix missing and inconsistent field drawers on inherited node fields
+- Fix inconsistent field drawer positions after unsupported fields
+- Fixed port sync code
+- Fixed exception to log not handling correctly the stacktraces
+
 ## [0.10.1]
 
 ### Fixed