Don't try to copy variables not in the scope
Don't try to copy variables not in the scope

Don't try to copy unbound variables (like local variables in function
definitions), to void "Variable ... apparently modified, but can't copy it"
warnings.

http://www.reinteract.org/trac/ticket/51

rschroll/reinteract,johnrizzo1/reinteract,jbaayen/reinteract,johnrizzo1/reinteract,jbaayen/reinteract,johnrizzo1/reinteract,alexey4petrov/reinteract,jbaayen/reinteract,rschroll/reinteract,alexey4petrov/reinteract,rschroll/reinteract,alexey4petrov/reinteract