version info added
diff --git a/demo/GPIOdemo.cfg b/demo/GPIOdemo.cfg
index 7fa7370..fadf3d3 100755
--- a/demo/GPIOdemo.cfg
+++ b/demo/GPIOdemo.cfg
@@ -7,7 +7,7 @@
##
## Contributors:
## Gyorgy Rethy
-##
+## version R2A
###############################################################################
[MODULE_PARAMETERS]
#GPIO pin number to which the LED is connected to
diff --git a/demo/GPIOdemo_Led_Button.ttcn b/demo/GPIOdemo_Led_Button.ttcn
index 2d77d5b..cfc5afd 100755
--- a/demo/GPIOdemo_Led_Button.ttcn
+++ b/demo/GPIOdemo_Led_Button.ttcn
@@ -7,7 +7,7 @@
//
// Contributors:
// Gyorgy Rethy
-//
+// version R2A
///////////////////////////////////////////////////////////////////////////////
module GPIOdemo_Led_Button {
diff --git a/demo/Readme.txt b/demo/Readme.txt
index 7752a07..0436276 100755
--- a/demo/Readme.txt
+++ b/demo/Readme.txt
@@ -7,7 +7,7 @@
##
## Contributors:
## Gyorgy Rethy
-##
+## version R2A
###############################################################################
The GPIO demo has dependence of (is using) the TCCFileIO_Functions.ttcn and
diff --git a/src/GPIOPinPort.ttcn b/src/GPIOPinPort.ttcn
index ba63d02..4da0155 100644
--- a/src/GPIOPinPort.ttcn
+++ b/src/GPIOPinPort.ttcn
@@ -7,7 +7,7 @@
//
// Contributors:
// Lenard Nagy
-//
+// version R2A
///////////////////////////////////////////////////////////////////////////////
// Raspberry Pi GPIO port
diff --git a/src/GPIO_Common.ttcn b/src/GPIO_Common.ttcn
index 0691109..39ecfcc 100755
--- a/src/GPIO_Common.ttcn
+++ b/src/GPIO_Common.ttcn
@@ -7,7 +7,7 @@
//
// Contributors:
// Gyorgy Rethy
-//
+// version R2A
////////////////////////////////////////////////////////////////////////
// Library to handle Raspberry Pi GPIO port common utility functions
// Dependencies
diff --git a/src/GPIO_Pin_Port.cc b/src/GPIO_Pin_Port.cc
index bdff384..f8e5df3 100644
--- a/src/GPIO_Pin_Port.cc
+++ b/src/GPIO_Pin_Port.cc
@@ -7,7 +7,7 @@
//
// Contributors:
// Lenard Nagy
-//
+// version R2A
///////////////////////////////////////////////////////////////////////////////
#include "GPIO_Pin_Port.hh"
diff --git a/src/GPIO_Pin_Port.hh b/src/GPIO_Pin_Port.hh
index 41783cc..1390ad8 100644
--- a/src/GPIO_Pin_Port.hh
+++ b/src/GPIO_Pin_Port.hh
@@ -7,7 +7,7 @@
//
// Contributors:
// Lenard Nagy
-//
+// version R2A
///////////////////////////////////////////////////////////////////////////////
#ifndef GPIO__Pin__Port_HH