version 1.3.2. Changelog updated.

CHANGELOG.md

+## [1.3.2]
+* Added alternative printImageRaster method using (GS v 0) obsolete command
+* Code refactoring
+
+
 ## [1.3.1]
 * Removed raw lib
 * Code refactoring

pubspec.yaml

 name: esc_pos_printer
 description: The library allows to print receipts using a ESC/POS (usually thermal) network printer. It can be used in Flutter or Dart projects. In Flutter, both Android and iOS are supported.
-version: 1.3.1
+version: 1.3.2
 author: Andrey Ushakov <flutter@tablemi.com>
 homepage: https://github.com/andrey-ushakov/esc_pos_printer