Added a printstatement for  debugging.
Merge branch 'master' of https://github.com/cwi-swat/rascal.git
Replace  set/get [ .. ] notation in muRascal by function notation

Instead of get_array a[i] we now write the simpler get_array(a, i).
For assignment we use put_array(a, i, v). Similar for lists and tuples.
This simplifies the core language.
Merge branch 'master' of https://github.com/cwi-swat/rascal.git