&lta: Make output nicer for source code

I've made the output nicer for source code.

plugins/lasttilde.py

@@ -22,7 +22,7 @@ def last_tilde(msg):
     if callable(data):
          datax = inspect.getclosurevars(data).nonlocals
          if len(datax) == 0:
-             data = inspect.getsource(data)
+             data = ' '.join(inspect.getsource(data).rsplit())
          else: data = datax
     if answer is None:
         data = str(data)