make look around error message clearer. also fix lack of newlines in error messages. (closes #28)

Author: creaturekatze

src/fantasy_forge/l10n/en/main.ftl

@@ -11,6 +11,7 @@ look-at-message = You look at { INTER($object) }.
 entity-not-seen = There is no { $entity }.
 look-around-begin = You take a look around the { $area_name }. It is { $area_description }. You see:
 look-around-single = * { INTER($object) }
+incomplete-look = This is not a valid command. try "look around" instead.
 pick-up-item-menu = Please select your option:
 pick-up-item-message = You picked up { INTER($item) } and put it in your inventory.
 entity-does-not-exist = { $entity } does not exist.

src/fantasy_forge/shell.py

@@ -77,7 +77,9 @@ def completenames(self, text, *ignored):
     def default(self, line: str):
         if len(line) < 3:
             """Display an error message, because the command was invalid."""
-            self.stdout.write(self.messages.l10n.format_value("shell-invalid-command"))
+            self.stdout.write(
+                self.messages.l10n.format_value("shell-invalid-command") + "\n"
+            )
 
         else:
             """Check for potential typos and recommend closest command"""
@@ -88,6 +90,7 @@ def default(self, line: str):
                 self.messages.l10n.format_value(
                     "shell-invalid-command-suggest", {"closest_cmd": closest_cmd}
                 )
+                + "\n"
             )
 
     def do_EOF(self, arg: str) -> bool:
@@ -138,7 +141,7 @@ def do_look(self, arg: str):
             self.player.look_around()
             logger.debug("%s looks around" % self.player.name)
         else:
-            self.default(arg)
+            self.stdout.write(self.messages.l10n.format_value("incomplete-look") + "\n")
 
     def complete_look(
         self,