Bug fixes:

- Fixed bugs on CRollingBuffer and CShiftBuffer
  - Remove "virtual" from methods declarations
  - Correct validation checks on methods
  - Use memmove to shift data in ShiftBuffer
  - Initialise buffer in RollingBuffer
  - FindStr() -> Return start position of match
  - Fix incorrect params passed to Peek()/PeekCopy() in Pop()/PopCopy()
  - Fix endless lopp in RollingBuffer::Push()

SelectableCore.cpp

@@ -1060,7 +1060,7 @@ bool CSelectableCore::ProcessBuffer( THandle * Handle, bool Force )
         while (Handle->InBuffer->FindStr( Handle->InMarker, Handle->InMarkerLen, Pos ))
         {
             // Show Packet
-            Len = Handle->InBuffer->Peek( &Data, 0, Pos+Handle->InMarkerLen+1 );
+            Len = Handle->InBuffer->Peek( &Data, 0, Pos+Handle->InMarkerLen );
             if (Log)  Log->Output( DebugLevel, dlHigh, OutputDisplay, Data, Len, "%s: Handle '%s' - IN-M:", Name, Handle->Name );
 
             // Write buffer to Outputs