Fix formatting and LogFile loading.

src/main.rs

@@ -1,9 +1,10 @@
 mod calculator;
+mod error;
 mod gamelog;
 
 use clap::Parser;
 use core::panic;
-use gamelog::{GAMELOG_MIN_VER, LogFile};
+use gamelog::LogFile;
 use std::path::PathBuf;
 
 #[derive(Debug, Parser)]
@@ -13,9 +14,11 @@ struct Args {
         short,
         long,
         value_hint = clap::ValueHint::DirPath,
-        default_value = dbg!(format!("{}/templates/logfile.ron", std::env::current_dir()
+        default_value = format!("{}/templates/logfile.ron", std::env::current_dir()
             .expect("Failed to get current working dir.")
-            .into_os_string().to_str().unwrap()))
+            .into_os_string()
+            .to_str()
+            .unwrap())
     )]
     logfile_path: PathBuf,
 }
@@ -23,14 +26,14 @@ struct Args {
 fn main() {
     let config = Args::parse();
 
-    let mut log: LogFile = {
+    let log: LogFile = {
         let file = match LogFile::try_from(config.logfile_path) {
             Ok(f) => f,
             Err(err) => panic!("Error: Failed to open logfile: {:?}", err),
         };
 
         match file.ensure_compatible() {
-            Ok(f) => f.try_into().expect(msg),
+            Ok(f) => f,
             Err(err) => panic!("Error: Failed to ensure logfile compatibility: {:?}", err),
         }
     };