adding a global variable global_fs and cleaning some warning
trying to add some features about type updataing
lot of fixes, now something seems to start working with the new features
Disabling some tests which weren't working anymore
Now generating code in an endless loop for test_appel
fixing the endless loop
changing f32 to float
restarting actual register at the beginning of every definition
removing some debugging output and improving readability of validate_node, also adding validate_node_call
adding code for arithmetical operation on floats