2.3.4 Experimental version

Experimental version can be built using the parameter "exp" on scripts:

bscripts/build_all_and_install.sh exp 
bscripts/build_w64.sh exp 
bscripts/build_w32.sh exp
And recompiled using the parameter "exp" on Makefiles:
make -j4 exp 
make FILE=Makefile.cross -j4  exp 
make FILE=Makefile.cross_32 -j4 exp