Added many more braces for multiline if's, Improved .crypto command quite a bit and applied locale-specific format

src/NadekoBot/Services/strings/impl/BotStrings.cs

@@ -37,9 +37,11 @@ public class BotStrings : IBotStrings
                 cultureInfo.Name);
             text = GetString(key, _usCultureInfo) ?? $"Error: dkey {key} not found!";
             if (string.IsNullOrWhiteSpace(text))
+            {
                 return
                     "I can't tell you if the command is executed, because there was an error printing out the response."
                     + $" Key '{key}' is missing from resources. You may ignore this message.";
+            }
         }
 
         return text;