Nirva patch for v 4.7.004

This patch completes a bug correction (bug http://redmine.nirva-systems.com/issues/70).
The bug were corrected for the command function but not for some others (especially the GetParameter function).

To install it, download the file corresponding to your Nirva version:

win32: http://download.nirva-systems.com/server/binaries/patch_4.7.004_1/win32/nvjava.dll
win64: http://download.nirva-systems.com/server/binaries/patch_4.7.004_1/win64/nvjava.dll
linux32: http://download.nirva-systems.com/server/binaries/patch_4.7.004_1/linux32/nvjava.so
linux64: http://download.nirva-systems.com/server/binaries/patch_4.7.004_1/linux64/nvjava.so

Stop Nirva and copy the file in the Nirva/Bin directory.