Make SQLite timeout available to user config.

src/args.rs

@@ -42,8 +42,9 @@ pub fn get_args() -> Args {
             } else {
                 match sqlite::open(&db_file_path) {
                     Ok(mut connection) => {
+                        let timeout = value_t!(matches, "timeout", usize).unwrap_or_else(|_| 5000);
                         connection
-                            .set_busy_timeout(5000)
+                            .set_busy_timeout(timeout)
                             .expect("Failed to set database timeout");
                         connection
                     }

src/cli.yml

@@ -57,6 +57,12 @@ args:
                   takes_value: true
                   multiple: false
 
+        - timeout:
+                  help: "Time in milliseconds until SQLite can return a timeout (Do not touch if you don't know what you are doing). Default: 5000"
+                  long: timeout
+                  takes_value: true
+                  multiple: false
+
         - create-snapshot:
                   help: Create an snapshot.
                   long: cr