Version 3.1.0 (25-Jan-2013)
===========================

1. Added SDRV input file optional conversion from UNICODE to GB2312 and output SDRV file
  optional conversion from GB2312 to UNICODE. Used in case SG firmware, as SG firmware internal
  encoding is GB2312.

2. Bug fix: SDRV v3.0.0 does not clear errors between calls.


Version 3.0.0 (04-Dec-2012)
===========================

1. New communication protocol version


Version 1.7.0 (31-Oct-2012)
===========================

1. SDRV library introduced.


Version 1.6.1 (12-Apr-2012)
===========================

1. Bug fix: SDRV v1.6.0 incorrectly handles situation when log file is inaccessible.

2. Problem solved: Norton Antivirus reported SDRV as virus program.


Version 1.6.0 (4-Apr-2012)
===========================

1. Bug fix: SDRV v1.5.5 does not work with old ECRs then connected
	via Ethernet

2. New INI-file parameters added: 

	RecordsInPacket - Number of records to be put into a single
						packet. In case of slow Ethernet connection
						this can significantly decrease data send time.

3. Bug fix: LogFilePath property does not set log files folder.


Version 1.5.5 (31-Jan-2012)
===========================

1. Windows 7 support added

2. More descriptive error messages added

3. More exit codes added


Version 1.5.4 (14-Dec-2010)
===========================

1. Low-level serial protocol error recoverability bug fixed.


Version 1.5.3 (16-Nov-2010)
===========================

1. New INI-file parameters added: 

     RetryCount - retry count on communication errors

     EcrDisconnectTime - sleep time in milliseconds after
                         disconnecting from ECR


Version 1.5.2 (17-Sep-2010)
===========================

1. Proper error message when PC comm. are not activated


Version 1.5.1 (19-Jan-2010)
===========================

1. Default timeouts for ethernet communications increased


Version 1.5.0 (07-Dec-2009)
===========================

1. Table record delete command added


Version 1.4.5 (30-Nov-2009)
===========================

1. Bug fixed: authorization session timeout due to large input file
   sorting


Version 1.4.4 (18-Aug-2009)
===========================

1. Better support of USB-COM converters

2. Minor fixes


Version 1.4.3 (09-Jun-2009)
===========================

1. Fast report read (without 0 records) support added.


Version 1.4.2 (03-Apr-2009)
===========================

1. Option flag send bug fixed.

2. Fixed problem with sending/receiving text fields with quotes.


Version 1.4.1 (17-Mar-2009)
===========================

1. Low-level serial protocol error recoverability enhanced.


Version 1.4.0 (04-Mar-2009)
==========================

1. Low-level serial protocol enhanced. Previous protocol version is 
   also supported.

2. Bug fixed: incorrect INI-file section override order


Version 1.3.2 (10-Feb-2009)
===========================

1. Bug fixed: particular ECR response can hang the driver

2. Default communication timeouts increased


Version 1.3.1 (23-Jan-2009)
===========================

1. Minor bug fixes and enhancements


Version 1.3.0 (08-Dec-2008)
===========================

1. Fiscal printer protocol support added

2. Communications password protection added

   New INI-file [ECR_n] section parameter added:

     Password - a ECR communication password. Mandatory for ethernet
                communications.


Version 1.2.0 (23-Jul-2008)
===========================

1. Bitmap send support added


Version 1.1.1 (15-Apr-2008)
===========================

1. Header and footer send/receive bug fixed


Version 1.1.0
=============

1. Serial port protocol rewritten


Version 1.0.0
=============

1. Initial version
