removed (Exception) from catches, added -readme/-guide command

NadekoBot/Classes/Music/StreamRequest.cs

@@ -192,7 +192,7 @@ namespace NadekoBot.Classes.Music {
                     try {
                         p.CancelOutputRead();
                         p.Close();
-                    } catch (Exception) { }
+                    } catch  { }
                     Console.WriteLine("Buffering canceled, stream is completed.");
                     return;
                 }
@@ -221,7 +221,7 @@ namespace NadekoBot.Classes.Music {
                         try {
                             p.CancelOutputRead();
                             p.Close();
-                        } catch (Exception) { }
+                        } catch  { }
 
                         Console.WriteLine($"Didn't read anything from the stream for {attempt} attempts. {buffer.Length/1.MB()}MB length");
                         return;

NadekoBot/Classes/NadekoStats.cs

@@ -89,7 +89,7 @@ namespace NadekoBot
                         ConnectedServers = connectedServers,
                         DateAdded = DateTime.Now
                     });
-                } catch (Exception) {
+                } catch  {
                     Console.WriteLine("DB Exception in stats collecting.");
                     break;
                 }
@@ -110,7 +110,7 @@ namespace NadekoBot
                     CommandName = e.Command.Text,
                     DateAdded = DateTime.Now
                 });
-            } catch (Exception) {
+            } catch  {
                 Console.WriteLine("Parse error in ran command.");
             }
         }

NadekoBot/Classes/SearchHelper.cs

@@ -47,7 +47,7 @@ namespace NadekoBot.Classes {
                 rq = new RestSharp.RestRequest("anime/" + smallObj["id"]);
                 rq.AddParameter("access_token", token);
                 return await Task.Run(() => JsonConvert.DeserializeObject<AnimeResult>(cl.Execute(rq).Content));
-            } catch (Exception) {
+            } catch  {
                 return null;
             }
         }
@@ -174,7 +174,7 @@ namespace NadekoBot.Classes {
                 var matches = Regex.Matches(webpage, "data-large-file-url=\"(?<id>.*?)\"");
 
                 return await $"http://danbooru.donmai.us{ matches[rng.Next(0, matches.Count)].Groups["id"].Value }".ShortenUrl();
-            } catch (Exception) {
+            } catch  {
                 return null;
             }
         }
@@ -190,7 +190,7 @@ namespace NadekoBot.Classes {
                 //now extract the image from post page
                 var match = Regex.Match(webpage, "\"(?<url>http://simg4.gelbooru.com//images.*?)\"");
                 return match.Groups["url"].Value;
-            } catch (Exception) {
+            } catch  {
                 return null;
             }
         }