add in_menu option to registering commands so that barcodes don't show up in the menu for parameterized methods.

screenless/bureau/bureau.py

@@ -234,11 +234,12 @@ class Bureau(object):
             self.lp["name"] = printcfg["largeprinter"]["name"]
             self.lp["papersize"] = printcfg["largeprinter"]["papersize"]
             self.lp["duplex"] = printcfg["largeprinter"].getboolean("duplex")
-        except KeyError:
+        except KeyError as err:
+            print(err)
             # TODO: eventually refactor this since it could overwrite a half-broken config
             sp_dict = {"vendorid": "", "productid": "", "inep": "",
                        "outep": "", "width": "384", "textwidth": "32",
-                       "profile", None}
+                       "profile", ""}
             lp_dict = {"name": "", "papersize": "A4", "duplex": "False"}
             printcfg["smallprinter"] = sp_dict
             printcfg["largeprinter"] = lp_dict