Improvements and fixes

• Extended ZPL rotation feature to other formats (PDF, PNG, BMP)
• Added the possibility to use ShpTag or PkgTag on method labelReprint (v2)
• New method GetPrinterFonts added to API V2.
• New method GetDropZonePrinters added to API V2.
• Implemented support for Japanese characters for EDI preview on method GetBatchReport.
• Fixed issue with adding Importer address to the Contact list.
• Fixed issue with address details in the header on the Bring Intl. label not being displayed correctly.
• Performance and stability improvements.
• Various technical fixes and refactoring.