Fix file deletion, now erases folders and files.

cista/protocol.py

@@ -44,7 +44,10 @@ class Rm(ControlBase):
         root = config.config.path
         sel = [root / filename.sanitize(p) for p in self.sel]
         for p in sel:
+            if p.is_dir():
                 shutil.rmtree(p, ignore_errors=True)
+            else:
+                p.unlink()
 
 
 class Mv(ControlBase):