Added filters for some crates.

src/logging.rs

@@ -19,6 +19,8 @@ pub fn setup_logger(log_level: log::LevelFilter) -> anyhow::Result<()> {
                 message
             ));
         })
+        .level_for("grammers", log::LevelFilter::Error)
+        .level_for("grammers_session", log::LevelFilter::Error)
         .level(log_level)
         .chain(std::io::stdout())
         .apply()?;